You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a flight ticket to Chicago, please help me out with a direct flight.

ASSISTANT: Sure, may I know your airport codes?

USER: My source code is JFK and destination code is ORD.

ASSISTANT: On which name do you like to reserve this ticket?

USER: I want the ticket with the name Shirley Evans.

ASSISTANT: Please share me your travel dates.

USER: My travelling dates are from 12/18 to 12/20.

ASSISTANT: We found a flight on your details with airline JetBlue, flight number: 1026. Shall I book this ticket?

USER: Go ahead.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the reservation.

ASSISTANT: Thank you.