You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Rachel Lee here.

ASSISTANT: How may I assist you?

USER: I am planning to attend a function in JFK, can you help me with booking ticket from CLT?

ASSISTANT: Rachel Lee, please share your travelling dates for booking?

USER: I want to take a flight on 06/19 and return back on 06/21.

ASSISTANT: Flight 1003 by Spirit airlines is available for you with 1 connection, shall I book it for you?

USER: Yes, you can.

ASSISTANT: Booking confirmed, please collect your tickets from origin airport.

USER: Thank you for your help.

ASSISTANT: You are welcome.