You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book a ticket from PHX to IAH to attend seminar, can you help me in booking?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your planned dates please?

USER: I am departing on Dec 21 and return on Dec 23.

ASSISTANT: Do you prefer a connecting flight or a direct flight?

USER: I prefer a connecting flight.

ASSISTANT: Can I have your name please?

USER: My name is Frank Adams.

ASSISTANT: Is there any other concerns?

USER: I do not have any other specifications.

ASSISTANT: We found a connecting flight with a fare of 100 in 1014 Frontier Airlines, shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Ok, I have confirmed your booking in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.