You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: Please help me to do flight ticket reservation from the airport SFO to LAS.

ASSISTANT: Sure, can I have your travel dates please?

USER: Thank you for your quick response. The dates of my journey are March 5th and 7th.

ASSISTANT: Ok, please let me know your preferable timings of your journey.

USER: No but I have a preference about the type of class that should be an economy class.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a single connecting flight for my journey.

ASSISTANT: Can I have your good name please?

USER: My name is David Garcia.

ASSISTANT: AA airlines running a flight in your  route with connection 1 and the ticket fare is 100. Are you ok with this flight?

USER: Yes, I am ok with this flight to travel. Please go ahead with the ticket confirmation.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1017.

USER: I am really happy for your support. Thank you so much.

ASSISTANT: Thank you for choosing us, have a great journey.

USER: You are welcome.