You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me in booking from DCA to SFO, as there is a musical concert to attend?

ASSISTANT: Sure, I am happy to help you. Can you please let me know your trip dates?

USER: My trip dates are Jul 23 to Jul 25.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any class preference?

USER: I prefer a economy class.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: Please help me with your good name.

USER: I am George Perez.

ASSISTANT: The economy class with flight number 1018 of Southwest airline is available having fare as 200 and connection as 1, is it ok for you?

USER: You can reserve it.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 20:00 PM and the arrival time is 1:00 AM.

USER: Thank you.

ASSISTANT: Thank you for choosing us.