You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for today?

USER: Myself Anna Garcia here. I would like to travel with my friends, can you please help me to book a ticket?

ASSISTANT: Sure Anna Garcia, will this be one way or round trip?

USER: No, my airports codes are DC-DCA to CO-DEN.

ASSISTANT: What dates were you planning for the trip?

USER: My planning for a travelling is from 11/05 to 11/07.

ASSISTANT: Do you have any airlines preference?

USER: No, please make sure that price is 200.

ASSISTANT: We have an availability for you with AA airlines, flight 1013 at the price of 100.

USER: Please confirm my booking of a ticket.

ASSISTANT: Your tickets are confirmed, please collect your tickets from your designation airport.

USER: Sure, thank you for your help in booking a ticket.

ASSISTANT: That's my job, thanks for contacting us.

USER: Welcome.

ASSISTANT: Have a great day Anna Garcia.