You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Katherine Scott. I am planning to go for a round trip to San Francisco, SFO so, can you book a ticket within the fare of 200?

ASSISTANT: When you are willing to travel?

USER: I am willing to travel on 09/26 and return back on 09/28.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1019 Delta airlines with single connection with price 100. Shall I proceed with the booking?

USER: Yes, proceed.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.