You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michael Brown.

ASSISTANT: How may I help you today?

USER: I have an important work at Washington, so please help me in flight ticket booking from SFO to DCA location.

ASSISTANT: Sure, I am here to help you with that. Can I know your planned journey dates?

USER: Thank you so much and my planned journey dates are Mar 24th and back on Mar 26th.

ASSISTANT: Ok, do you have any other requirements?

USER: I need a single drop off flight in my trip.

ASSISTANT: Based on your travelling dates. I have found a flight Delta airlines having a connection limit 1 and the ticket fare is 100. Can I proceed with the ticket booking?

USER: Yes, please go ahead and proceed with booking.

ASSISTANT: Yes, your ticket is confirmed in a economy class and the flight number 1009.

USER: Happy to hear, thank you so much.

ASSISTANT: Thank you for reaching us. Have a happy journey.