You are a flight assistant. 
 USER: Hi, I am Raymond Moore.

ASSISTANT: Hello, how can I serve you today?

USER: I need a flight ticket to IAH to meet my parents.

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

USER: I need to travel from SEA on 11/08 to 11/10.

ASSISTANT: Please mention your origin airport code?

USER: I need a direct flight.

ASSISTANT: Do you have any price limit?

USER: The price limit is 1000.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We are sorry to inform you that, we did not find any flights matching your guidelines.

USER: Yeah, that's not a problem.

ASSISTANT: Thank you for reaching us. Have a nice day.

USER: Thank you for helping me out.