You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from SFO to IAH, can you help me?

ASSISTANT: Sure, can I know your travelling dates?

USER: Sure, my planned dates are from Nov 28 to 30.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Sure, I am Timothy Scott.

ASSISTANT: Do you have any connection limit?

USER: I need a flight in business class with 1 connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.