You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Michelle Hill. Can you please book a ticket from IAH to PHL?

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

USER: My travel dates are on Oct 11 and Oct 13.

ASSISTANT: Do you have any particular time for departing and returning?

USER: My depart time is afternoon.

ASSISTANT: Is there any class preference for you?

USER: I need an economy class.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have airline preference?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: Southwest, flight number: 1008 and price is 100 with one connection. Shall I proceed to booking in economy class?

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved. Your depart time is 19:00PM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.