You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Please book a flight ticket from IAD to SFO.

ASSISTANT: Sure, I am here to help you with that, may I know your trip dates?

USER: Mt trip dates are Apr 22 and Apr 24.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Can I have your good name?

USER: My name is Anna Anderson.

ASSISTANT: I found a flight with the price of 100 and one connection. Can I proceed to booking?

USER: Yes, proceed.

ASSISTANT: Your ticket is booked with the flight- 1018.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.