You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Deborah Adams.

ASSISTANT: How can I help you today?

USER: Please help me to book a flight ticket from SEA to IAH.

ASSISTANT: May I know your travel dates?

USER: My trip dates are from 06/27 to 06/29.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: Do you have any class limit?

USER: No, I am comfortable with any class.

ASSISTANT: Do you have any other preference?

USER: I need to depart in the afternoon.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flights running on your routes.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.