You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you for the day?

USER: I planned to give a surprise to my mother, I would like to book a ticket from New York.

ASSISTANT: Sure, may I know your name?

USER: My name is Helen Jones.

ASSISTANT: Can you please tell me your travel details?

USER: My source and destination airport codes are JFK and CLT.

ASSISTANT: You didn't tell me your trip dates yet.

USER: My journey dates are from 06/19 to 06/21.

ASSISTANT: Flight 1009 is available for your requirement. Shall I book it?

USER: Ok, please confirm my booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thanks for reaching us.