You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: I want to attend an event in PHL. Can you help me in booking flight ticket from IAH?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: When are you planning to start and return?

USER: My trip dates are Mar 22 to Mar 24.

ASSISTANT: Ok, please share your class preference.

USER: I am okay with any class.

ASSISTANT: Is there any connection limit for you?

USER: No.

ASSISTANT: May I know your name please?

USER: Melissa Campbell.

ASSISTANT: Do you have any other concerns?

USER: My return should be in the afternoon.

ASSISTANT: There is a connecting flight with a fare of 100 found in American Airline, shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket has been confirmed and the return time is 16:00 hours.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.