You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to buy a plane ticket from Denver, DEN to meet my friend at Boston, MA. So can you please help me in booking?

ASSISTANT: Sure, may I know your name please?

USER: My name is Catherine Parker.

ASSISTANT: Now share your travel dates please?

USER: My journey dates are from June 15 to June 17.

ASSISTANT: May I know your departure and return time please?

USER: I am ok with any time.

ASSISTANT: Do you have any other preferences?

USER: Yes, I prefer only normal cost airlines.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for your patience. I have found American airlines which flies with one connection.

USER: That's perfect airline for me, please proceed for booking.

ASSISTANT: I have confirmed your flight ticket in flight number 1027.

USER: Thanks for your excellent support in flight booking.

ASSISTANT: Thank you.