You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mark Perez.

ASSISTANT: How may I help you?

USER: I would like to attend music event at Oakland, can you please help me to book a flight ticket from IAH to OAK?

ASSISTANT: May I know your travel dates?

USER: Sure, my trip dates are Oct 07 and Oct 09.

ASSISTANT: Do you have any preferred timings?

USER: My return time is morning.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Your has been found with flight number 1018 shall I proceed?

USER: Ok, please book.

ASSISTANT: Your reservation is successfully done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.