You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I have an appointment with my family doctor in IAD. Can you please make a reservation from LAS?

ASSISTANT: Sure, let me know your trip dates please?

USER: Sure, I want to travel on Feb 12 and intend to return on Feb 14.

ASSISTANT: May I know your connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: My name is William Clark.

ASSISTANT: Hawaiian Airlines is providing connecting flight with the ticket fare of 100 and depart time is 6:00 hours, arrival time is 22:00 hours. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1020 in economy class.

USER: Thank you.

ASSISTANT: Thanks for choosing us.