You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Will you please book me a plane ticket from SEA to IAH?

ASSISTANT: Sure, please help me with your travel dates.

USER: I will start on Jan 22 and return on Jan 24.

ASSISTANT: May I know your name?

USER: I am Pamela Evans.

ASSISTANT: Do you have any connection limit preference for this trip?

USER: Yes, I need 1 lay by.

ASSISTANT: Do you have any other preferences?

USER: I prefer an economy class.

ASSISTANT: Thank you for the information, please wait for a while.

USER: Sure.

ASSISTANT: sorry, we did not find any flights for you.

USER: That's Ok, thanks for the information.

ASSISTANT: Thank you for reaching us.