You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I need to book a flight ticket from SFO to IAD, can you help me in booking a flight ticket?

ASSISTANT: Sure, we are mirthful to assist you in booking. Please share your planned travelling dates to proceed further.

USER: Sure, my journey dates are Jan 26 and Jan 28.

ASSISTANT: Can I have your name please?

USER: Sure, Larry Davis here.

ASSISTANT: Do you need any layover in between journey?

USER: I prefer maximum one connection.

ASSISTANT: Would you like to avail any benefits for the comfort of your journey?

USER: No.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Sure.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by Jet Blue airline with the flight number-1003 and the fare 100, shall I book the connecting flight?

USER: Yes, you can.

ASSISTANT: Your flight booking is confirmed and ticket has been emailed.

USER: Thank you for your assistance.

ASSISTANT: It's pleasure to serve you.