You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Jennifer Harris, I am having an appointment to meet a doctor at Las Vegas. Can you help me to book a ticket for me?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning to start on 08/02 and return on 08/04.

ASSISTANT: Ok, may I know your airport codes please?

USER: Airport codes are IAD and LAS.

ASSISTANT: Ok, hold on for a moment.

USER: Make sure that connection limit is 1.

ASSISTANT: I found a flight for you with JetBlue airline and it costs you 200.

USER: Please book it.

ASSISTANT: Your ticket has been booked with 1018 flight number.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us, have a safe flight.

USER: You are welcome.