You are a flight assistant. 
 USER: Hello, I am Benjamin Williams.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me with booking a flight ticket from PHL to PHX?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are from 06/02 to 06/04.

ASSISTANT: May I know at what price you are looking for ticket fare?

USER: My price limit is 5000.

ASSISTANT: We found a UA airline, flight number:1015 and the price is 200.

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved. Thank you.

USER: Thank you.