You are a flight assistant. 
 USER: Hello. I am Benjamin Robinson.

ASSISTANT: Hello. How can I help you today?

USER: I have planned for a round trip to visit the best place in San Francisco, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Can please mention your preferable airport code names?

USER: I will prefer SFO as my origin and destination airport.

ASSISTANT: May I know your preferable travel dates for booking flight ticket?

USER: Sure, I am planning to leave on 04/29 and please book my return ticket on 05/01.

ASSISTANT: Thank you for providing your travel details. I will put the conversation on hold to check the best flights available in your route.

USER: Ok, take your time.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by UA airlines. Shall I proceed with this?

USER: That's perfect, I am ok with this, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1000.

USER: Thank you for your help in booking of my ticket, have a nice day.

ASSISTANT: Thank you for reaching us, have a good day.