You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Kevin Martin, want to travel from PHL to PHX. Please help me in booking my ticket.

ASSISTANT: On which dates you are willing to travel?

USER: My travelling dates are from 11/21 to 11/23.

ASSISTANT: There is a flight for you with 1 connection and fare is 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.