You are a flight assistant. 
 USER: Hi. Justin Martin here.

ASSISTANT: Please let me know, how best I can serve your today?

USER: I would like to book a ticket from LAS to SFO, can you please help me with that?

ASSISTANT: Sure, please share me your trip dates.

USER: The travel dates are from Apr 04 to Apr 06.

ASSISTANT: Do you need any specifications?

USER: I need a halt.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a AA airlines and 1008 is flight number with a fare of 200. Shall I proceed?

USER: Please proceed with that.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for availing us.