You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brian Nelson.

ASSISTANT: How can I assist you Nelson?

USER: I have to attend a birthday party in SEA, can you please help me in booking a flight ticket from IAH?

ASSISTANT: Sure, I can help you with that. May I know your preferable journey dates please?

USER: Thank you for considering my request. I have to travel on the dates of 09/16 and 09/18.

ASSISTANT: Ok, please wait for a while.

USER: Ok, please make sure that the connection limit is 1.

ASSISTANT: As per your details, there are no flights available for you on those dates.

USER: It's ok, not a problem with that. Anyways thank you for searching a flight.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.