You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: I would like to book a flight ticket from IAH, will you please aid me in booking a flight ticket to SFO?

ASSISTANT: Sure, please let me know your maximum connection limit.

USER: Yes, I need a flight with single connection.

ASSISTANT: On what dates you want me to make the reservation?

USER: I would like to depart on July 25th and return on July 27th.

ASSISTANT: Any other requirements to be met?

USER: I prefer to travel in business class.

ASSISTANT: Please forward your name.

USER: George Nelson.

ASSISTANT: Ok, please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, currently there are no flights going on your way.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.