You are a flight assistant. 
 USER: Hello. I am Kevin Lee.

ASSISTANT: Hello, how may I support you today?

USER: I would like to visit fly from San Francisco with the fare of 1000, can you please book me a ticket?

ASSISTANT: Sure, May I know your connection limit?

USER: My preferable connection limit is one.

ASSISTANT: Please provide your travelling days?

USER: My travel dates are from 02/17 to 02/19.

ASSISTANT: Please mention your travelling airport codes?

USER: My preferable airport codes are from SFO to HOU.

ASSISTANT: Thank you for your details we found a flight 1004 in Delta airlines and price is 100 with single connection. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your booking has been confirmed. Thank you for opting us.

USER: Thanks for booking my ticket.