You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you book a flight from DTW to SFO. Can you book a flight for me?

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: My name is David Allen.

ASSISTANT: Thank you. May I know your travel dates?

USER: I will fly on May 03 and return on May 05.

ASSISTANT: Noted. Please wait for a while.

USER: Sure. Please find me a connecting flight.

ASSISTANT: Flight-1010 having single connection is available with Delta Airlines and the ticket costs you 100 only in economy class. Flight will take-off at 20:00 hours and arrives at 13:00 hours. Shall I book the ticket for you?

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for helping me.

ASSISTANT: You are welcome and thank you for choosing us.