You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Richard Anderson here. I want to travel from Chicago to Dallas for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure Richard Anderson, I will help you with that. Can I have your travel dates please?

USER: My departure date is 06/19 and return date is 06/21.

ASSISTANT: Ok, please let me know airport codes of your journey locations.

USER: My airport codes are from ORD to DFW.

ASSISTANT: Please wait a moment to check flight availability.

USER: Ok, I will wait.

ASSISTANT: Yes, I have found a flight in Frontier airlines with connection 1 and price 100, is it ok for you?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok Richard Anderson, I have reserved a ticket with flight number 1011.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us, have a great journey.