You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I am Eric King. I have a plan to visit San Francisco. Can you please book me a flight ticket to visit Twin Peaks?

ASSISTANT: Sure Eric King, I am ready to help you with that.  Can I have your travel dates please?

USER: I want to travel on 05/16, and need to catch return flight on 05/18.

ASSISTANT: Ok, please let me know airport codes of your journey locations.

USER:  I need to leave from my nearest airport LAS to reach SFO.

ASSISTANT: Have you planned to travel in particular times only?

USER: I prefer for morning.

ASSISTANT: Actually, available flight is starting in afternoon and return in afternoon. Are you ok with this?

USER: No, I am not comfortable with that. Thanks for the information.

ASSISTANT: Another airlines running a flight in morning only but having connection 1 and ticket fare is 100. Is it ok for you?

USER: Yes, Proceed with the booking.

ASSISTANT: Ok Eric King, your ticket booking has done and the flight number is 1022 in UA airlines.

USER: Thank you.

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