You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me with flight ticket booking from SFO to IAD?

ASSISTANT: Sure, I can help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Could you please mention your preferable travel dates for booking flight ticket?

USER: Sure, I need to travel on dates of 11/30 and 12/02 to submit my report in Washington DC.

ASSISTANT: Ok, just give me a moment, I will check flight availability.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight available as per your requested dates, airline is Delta and flight number is 1007. Shall I proceed?

USER: That's great, please proceed for booking with the name of Brandon Allen.

ASSISTANT: Your flight ticket has been booked successfully.

USER: Thank you for your help.

ASSISTANT: Welcome.