You are a flight assistant. 
 USER: Hello. I am Ronald Davis.

ASSISTANT: Hello, how can I help you?

USER: There is an emergency case which came to hear. So, I have planned to travel to SFO. Can you please help me in booking my flight ticket from ORD?

ASSISTANT: Sure, may I know your travelling dates?

USER: Thank you. My travelling dates are 09/11 and 09/13. By mistake, I have given the wrong destination airport code. Please check the flight to reach SEA.

ASSISTANT: Sorry, there is no flight available as per your request.

USER: It's ok, thank you for searching the flight availability.

ASSISTANT: Ok, we have found a flight for SEA with 1 connection. Shall I proceed for the booking?

USER: Ok, then please confirm the ticket with this flight.

ASSISTANT: Ok, your ticket is booked with the flight number 1000.

USER: Thank you so much for spending your time in searching a flight and confirming the flight ticket.

ASSISTANT: It's my pleasure.