You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: My name is Elizabeth Lewis. I am looking to book a flight with single connection. Can you help me for booking a flight ticket from DCA to SFO?

ASSISTANT: Sure Lewis, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Can I have your travel dates please to get suitable flight for you?

USER: My travelling dates are 08/26 and 08/28.

ASSISTANT: Ok Elizabeth Lewis, please wait a moment to check flight availability.

USER: Sure, I will wait.

ASSISTANT: I have found a flight in JetBlue airlines which is having connection 1 and price of the ticket is 100. Shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: Ok Elizabeth Lewis, your booking has done and flight number is 1025.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us, have a great journey.

USER: Welcome.