You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is William Mitchell. I would like to travel from OAK to IAH, could you help me out?

ASSISTANT: Sure, please let me know your travel date.

USER: My preferable dates are from 09/30 to 10/02.

ASSISTANT: I found a flight 1016 of UA airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for communicating with us.