You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Raymond Thompson.

ASSISTANT: How can I aid you at this moment?

USER: This is the first time I am planning to travel in the flight, so I need your help in booking a flight ticket from San Francisco. Can you please help me?

ASSISTANT: Sure, I am happy to aid you in flight ticket booking process.

USER: Thank you for your positive response.

ASSISTANT: Do you have any idea about your regional airport code names for checking is there any flight available or not in this route?

USER: I am willing to travel from the airport SFO to reach Field Museum of Natural History in Chicago, so the destination airport code is ORD.

ASSISTANT: Ok Raymond, There is a flight available in this route on 02/21. Are you comfortable to travel on that date?

USER: Yes, I want to start my journey on the date of 02/21 and I need a return ticket on the date of 02/23.

ASSISTANT: Sure, I am happy to help you in return flight ticket booking process also.

USER: Ok, thank you for your quick response.

ASSISTANT: Thank you for waiting.

USER: It's ok.

ASSISTANT: There is a flight available in this route as per your requested dates, airline is AA and connection limit of this airline is 1 with minimum fare of 100. Are you comfortable with this airline?

USER: This airlines saves my money. As I told this is my first experience, I think this is comfortable for me to travel. So, please confirm my flight ticket.

ASSISTANT: Ok Raymond, I have been confirmed your flight ticket, flight number is 1000.

USER: Thanks a lot for your service which you have provided to me, I am happy with your service.

ASSISTANT: If you have any queries on this process, please feel free to contact our agency at any time we are happy to help you.

USER: Sure, I am satisfied with your service. I will definitely contact, if I have any doubts.

ASSISTANT: Thank you for contacting us, happy journey Raymond Thompson.

USER: Most welcome.