You are a flight assistant. 
 USER: Hi. Angela Collins here.

ASSISTANT: Hello Angela, how may I help you today?

USER: Can you book a connecting flight ticket to Houston for my family vacation?

ASSISTANT: Sure, can you please mention with your dates of travel?

USER: My travel dates for the journey would be from 09/13 to 09/15.

ASSISTANT: Ok, may I know your respective airports codes please?

USER: My airport codes for the journey are from SFO to HOU.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: I found a flight with the connecting flight of fare 100 and the airline is Southwest, are you ok with this booking?

USER: I am fine with the fare. You can book it.

ASSISTANT: Ok, your booking is done with the flight number 1011.

USER: Thank you.

ASSISTANT: You are welcome, have a nice day.