You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to participate in a grand event held at New York, could you please help me in booking a ticket?

ASSISTANT: Sure, can I get airport codes?

USER: Yes, my airport codes are from DFW to EWR.

ASSISTANT: On which dates you want to travel?

USER: I would like to travel on 07/29 and return on 07/31.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is a flight available with Delta airlines, shall I book it?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked, flight number is 1002. Can I know your good name?

USER: Sure, my name is Richard Brown.

ASSISTANT: Thank you for reaching us, happy journey.

USER: Thank you for your help.