You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Robert Thomas.

ASSISTANT: How may I help you?

USER: I need your help in booking a flight ticket from JFK to ORD.

ASSISTANT: Ok, please share with us, when you are looking for your journey?

USER: My travelling dates are from 04/23 to 04/25.

ASSISTANT: Please give me a moment, I will check with the airlines which are providing service on this route.

USER: Sure.

ASSISTANT: According to your dates, there is a flight available with Frontier airlines, shall I proceed your booking?

USER: Yes.

ASSISTANT: Your ticket is booked with flight number 1005.

USER: Thank you.

ASSISTANT: Thank you for choosing our service to fly.