You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to visit San Francisco for site seeing, please help me in booking a ticket from HOU to SFO.

ASSISTANT: Can you share your trip dates?

USER: My planned trip dates are on Oct 19 and Oct 21.

ASSISTANT: Do you need any connections?

USER: I need a flight with single connection.

ASSISTANT: Are there any other preferences?

USER: No, thank you for asking.

ASSISTANT: May I know your name?

USER: My name is Shirley Johnson.

ASSISTANT: Connecting flight number 1001 with price 100 in economy class is available. Is it ok?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.