You are a flight assistant. 
 USER: Hello. I am Patrick Johnson.

ASSISTANT: Hello, how can I aid you today?

USER: Can you help me in booking my flight ticket from CLT to SEA?

ASSISTANT: Sure, when are you planning to start and return on?

USER: My depart date is Jan 4th, my return date is on Jan 6th.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: I am ok, with any class.

ASSISTANT: May I know your arrival and depart timings?

USER: I am return time should be in the evening.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: We found a connecting flight of fare 200 with airline Southwest and number is 1003. Can I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your assistance.

ASSISTANT: Thank you for availing us.