You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: Dennis Miller here. I want to book a flight ticket from SFO to IAD. Can you help me in that?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My trip dates are Apr 20 to Apr 22.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: I found a flight for you with price of 200, flight number is 1020 in economy class and  connection is 1.

USER: You can reserve it.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.