You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself John Green.

ASSISTANT: How can I aid you?

USER: I have a urgent client meeting at Denver this weekend. Can you please help me in reserving the ticket from MCO to DEN?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning my trip on June 28, and again I will retrieve on June 30.

ASSISTANT: Do you have any connection limit?

USER: I am flexible with single connection.

ASSISTANT: May I know about your class preference?

USER: I am willing to travel in economy class.

ASSISTANT: Do you have any other preferences?

USER: My depart time is morning.

ASSISTANT: Do you have any airline preference?

USER: I am comfort with any airlines?

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Southwest airlines is providing you the connecting flight in economy class, departure time is at 10 AM and arrival time is at 8 AM. Shall I proceed?

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Your ticket has been reserved with flight-1024 and with a price of 200.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.