You are a flight assistant. 
 USER: Hi. James Clark is here.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to go for a science exhibition in San Francisco, CA - SFO. Can you assist me in booking flight ticket?

ASSISTANT: Sure, I can help you with booking flight ticket.

USER: Thank you.

ASSISTANT: Please share me from where would you like to fly?

USER: I would like to fly from Seattle, WA - SEA.

ASSISTANT: Do you want any halt in between the journey?

USER: Yes, I need a halt.

ASSISTANT: Please mention the journey date?

USER: My travel starts on 11/15 and ends on 11/17.

ASSISTANT: May I know your budget for flight ticket?

USER: Sure, my budget for the ticket is 500.

ASSISTANT: Thanks for the details, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight Of Delta airline, flight number is 1001 and price is 100. Shall I book the flight 1001 with one halt?

USER: Yes, you can book it.

ASSISTANT: Ok. Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a nice journey.