You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Karen Edwards. I want to book a flight ticket from SFO to CLT. Could you help me in booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are from Oct 07-09.

ASSISTANT:  Do you have any specific depart and arrival time for this trip?

USER: My return time should be in the evening.

ASSISTANT: Do you have any limits on number of connections?

USER: I need connecting flight.

ASSISTANT: Do you have any another specifications on this journey?

USER: No.

ASSISTANT:  Ok, please wait a moment, let me search a flight for you.

USER: ok.

ASSISTANT: Southwest Airlines providing the ticket for you, the fare is 400, connection limit 1 and return time is 20.00PM. Would you like me to make the booking now?

USER: Yes, please proceed.

ASSISTANT: Your ticket reservation done with the flight number 1002.

USER: Thank you for helping me.

ASSISTANT: Welcome, thank you for reaching us.