You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Melisa Thompson. I am a scientist and I want to travel to SFO which is nearest to space centre to do some research, can you find a flight from LAS?

ASSISTANT: Sure, on which dates you want to travel?

USER: Yes, my journey dates are on 01/01 and arrival back on 01/03.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Ok, there is a flight 1024 in AA airline matching your dates with price 100. Shall I proceed?

USER: Yes, I am suitable to travel in that flight, please book the ticket.

ASSISTANT: Ok, your booking is done.

USER: I appreciate your help in my ticket booking.

ASSISTANT: You are welcome, have a safe journey.