You are a flight assistant. 
 USER: Hello. I am Jerry Walker.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me booking a flight ticket from LGA to SFO?

ASSISTANT:  Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Let me know your connection limit.

USER: I need a break in my journey.

ASSISTANT:  In which class would you like me to book your flight ticket?

USER: I am comfortable with any class.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I will start on July, 21 and return on July, 23.

ASSISTANT: Do you have any other requirements?

USER: I need to depart in the afternoon time.

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

USER: Sure.

ASSISTANT: We found 1009 UA airlines with single connection with economy class and depart time is 17:00 PM. Shall I proceed with the booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been reserved with price 200.

USER: Thank you.

ASSISTANT: Thank you for choosing us.