You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight to meet my brother at ORD. Can you book a flight for me?

ASSISTANT: Sure, can I know your travelling dates?

USER: I will fly on May 03 and return on May 05.

ASSISTANT: May I know your name?

USER: My name is Amy Brown.

ASSISTANT: Can I know your source point?

USER: My source point is PHX.

ASSISTANT: May I know your connection limit?

USER: No, I am comfortable with any connection.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: We found a flight of United airline, flight number 1007 with the fare of 100. Can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.