You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Nancy Lopez, I have to attend my sister's marriage in DFW.So can you please help me in booking my flight ticket?

ASSISTANT: Sure, can you please provide your origin airport code?

USER: My source code is PHX.

ASSISTANT: Nancy Lopez, may I know your travelling dates please to proceed further?

USER: My trip dates are 06/20 and 06/22.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: There is a service with Hawaiian airlines with a ticket fare of 100 only, shall I book your ticket?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is confirmed with flight number 1021 successfully.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you, have a safe journey.