You are a flight assistant. 
 USER: Hi. Kathleen Lewis here.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a single connecting flight to Houston for my business trip?

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: On which dates, you have planned your journey?

USER: Yes, my travel dates for the journey are from June 10 to June 12.

ASSISTANT: Can you share me your airport codes?

USER: The airport codes are from SFO to HOU.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: There is a connecting flight with fare of 700 and 1016 flight number. Shall I reserve this for you?

USER: I am ok with the flight. You can book it.

ASSISTANT: Your seat has been reserved with Southwest airline in business class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.