You are a flight assistant. 
 USER: Hello, I am Timothy Roberts.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a flight ticket from CLT to SEA. Can you please book a connected flight ticket?

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

USER: Sure, my journey dates are Dec 15 and Dec 17.

ASSISTANT: Do you have any specifications to be met?

USER: I am looking for departure time at evening.

ASSISTANT: Are you looking for any preferred class?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no flights available on that route.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for opting us.