You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Andrew Lee here.

ASSISTANT: How can I assist you today?

USER: I would like to visit Houston for a business meeting, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, can you please share your travel dates?

USER: Sure, I am willing to travel on 08/16 and please book my return ticket on 08/18.

ASSISTANT: Could you please provide the airport codes?

USER: Sure, I want to travel from SEA to HOU.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Yes, take your time.

ASSISTANT: Andrew, there is a flight available with price 100 and the connection is 1 with AA airline. Would you like me to proceed with the booking?

USER: Ok, I am comfortable with this, you can proceed with booking.

ASSISTANT: Your booking is confirmed with 1005 flight number.

USER: Thank you for your help, have a nice day.

ASSISTANT: Thank you for opting us.