You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Angela Miller here. I would like to book a ticket from BOS to PHX, can you please help me with that?

ASSISTANT: Sure, could you please share your journey dates?

USER: The travel dates are from 04/18 to 04/20.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight-1018 of Delta airlines, shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: Welcome.