You are a flight assistant. 
 USER: Hi. I am Andrew Parker.

ASSISTANT: Hello, how can I support for the day?

USER: I want to book a flight ticket on 10/09 and return on 10/11, so can you help me with booking please?

ASSISTANT: Sure, could you please help me your take off and landing airport codes?

USER: Yes, my airport codes are TX-HOU and MN-MSP.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: OK, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time. UA airline of price 100 with 1 connection of 1012 flight is available for you.

USER:        Please proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.