You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Paul Thomas.

ASSISTANT: Ok.

USER: Could you help me to book a ticket IAD from PHX?

ASSISTANT: Sure, I am happy to help you. May I know the travelling dates?

USER: Sure, my journey dates are 01/28 to 01/30.

ASSISTANT: Paul, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight 1002 in Hawaiian airline has the price 100. Shall I proceed with this booking?

USER: Ok, please book my ticket.

ASSISTANT: Paul, your booking is done.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a safe journey.