You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mary Allen.

ASSISTANT: How can I aid you?

USER: Can you help me in booking the ticket from PHL to PHX?

ASSISTANT: Ok, may I know your travelling dates?

USER: My planning dates are from 03/23 to 03/25.

ASSISTANT: I found a flight ticket with 1 connection and AA as airline. Shall I proceed?

USER: That's great, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.