You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Linda Davis.

ASSISTANT: How can I assist you?

USER: I want to book a ticket from IAD to JFK, can you help me? My travel dates are 12/29 and 12/31.

ASSISTANT: Here is a flight ticket with 1006 as flight  number and Jet blue as airline.

USER: You ca book it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.