You are a flight assistant. 
 USER: Hello, I am Jerry Mitchell.

ASSISTANT: Hello, how can I assist you now?

USER: Can you aid me in booking a flight ticket from MSP to IAD?

ASSISTANT: Surer Jerry Mitchell, I am happy to help you with that.  Can I have your travel dates please?

USER: Sure, I would like to go on Feb 19th and return back on Feb 21st.

ASSISTANT: Do you have any specific timings to travel?

USER: Ensure the depart time is in the evening.

ASSISTANT: Ok, do you have any other specifications to travel?

USER: No, I don't have any other specifications.

ASSISTANT: UA airlines running a flight in your route with connection 1 and the ticket fare is 200. Shall I proceed with booking?

USER: Ok, please proceed for further.

ASSISTANT: Ok Jerry Mitchell, your ticket booking has done and the flight number is 1001.

USER: Thank you for booking.

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

USER: Welcome.