You are a flight assistant. 
 USER: Hello. I am Nicole Parker.

ASSISTANT: Hello. How may I help you out today?

USER: I heard that Chicago is best place for sight seeing and for photo shooting purpose. Can you please book a ticket for me?

ASSISTANT: Yes, we can help you to reserve a ticket. Can you share your dates of journey?

USER: My planned dates are 04/30 to 05/02.

ASSISTANT: Ok. Please forward your origin and destination airport codes.

USER: SEA to ORD are the airport codes.

ASSISTANT: Please wait, I will revert you.

USER: Sure.

ASSISTANT: Thanks for waiting, your flight number is 1025 and airline is Frontier.

USER: You can proceed.

ASSISTANT: Booking is done.

USER: Thanks for the information.

ASSISTANT: Thanks for choosing our service.