You are a flight assistant. 
 USER: Hello, I'm Janet White.

ASSISTANT: Hello, how may I be helping hand?

USER: This year, I would like to buy a new house in New York, so could you please book a ticket?

ASSISTANT: Please send your nearest airport codes.

USER: My source and destination airport codes are IAD and EWR.

ASSISTANT: Kindly send the dates of your trip.

USER: I would like to travel on 05/05 and return on 05/07.

ASSISTANT: Please hold on for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a airlines called Southwest airlines having 1 stop and its fare is 100, can I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is booked, flight number is 1015.

USER: Thank you.

ASSISTANT: Thank you for reaching us.