You are a flight assistant. 
 USER: Hello, I am Mary Clark.

ASSISTANT: Hello, how may I assist you?

USER: I want to visit New York, NY - EWR, can you help  me with single connection of flight?

ASSISTANT: Sure, may I know your airport codes?

USER: My origin is DFW.

ASSISTANT: Let me know your travel dates please.

USER: My depart is on 04/29 and return on 05/01.

ASSISTANT: Do you have any specifications?

USER: My price limit is 5000.

ASSISTANT: We found a flight on your details with airline Spirit, flight number: 1016. Shall I proceed for booking?

USER: OK, proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you.