You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Susan Martinez.

ASSISTANT: How can I assist you today?

USER: I would like to book a flight ticket from NY-LGA to TX-DFW, can you help me in booking a flight ticket?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My trip dates are 09/27 to 09/29.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: You can reserve it.

ASSISTANT: Your ticket is booked. The flight number is booked. The flight number is 1019 and the airline is UA.

USER: Thank you.

ASSISTANT: Welcome, have a great day.