You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to travel IAH and SFO, can you reserve flight ticket?

ASSISTANT: Sure, when do you want to travel?

USER: My travelling dates are June,07 and June,09.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, please let me know your connection limit.

USER: I prefer single connecting flight only.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a direct flight in 1010 American Airlines with a fare of 100. Can I proceed?

USER: Please proceed with the reservation.

ASSISTANT: May I know your name?

USER: Myself Susan Hill.

ASSISTANT: Your ticket has been booked.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for choosing us.