You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I want to book a ticket from CLT to OAK to attend seminar, can you help me in booking?

ASSISTANT: Sure, please mention your travelling dates?

USER: I am departing on Jan 18 and return on Jan 20.

ASSISTANT: May I know your good name?

USER: My name is William Robinson.

ASSISTANT: Is there any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any class preference?

USER: I do not have any class.

ASSISTANT: Is there any airline preference?

USER: I am ok with any airlines.

ASSISTANT: Do you have any specific timings to travel?

USER: I am ok with any time.

ASSISTANT: We found a connecting flight of Southwest Airlines in the economy class with fare of 100, can I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket is confirmed with flight number 1008.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.