You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Dorothy Baker.

ASSISTANT: What assistance do you need from our agency?

USER: I am looking for a flight from LGA to SFO, can you help me in booking the flight ticket from New York?

ASSISTANT: Yes, I am here to help you with the ticket booking. Can you please share your travel dates?

USER: Sure, my planned travel dates are Nov 22 and Nov 24.

ASSISTANT: Ok, please give me a minute.

USER: Ok, make sure that I need to start my journey for the morning flight.

ASSISTANT: I am really sorry to inform you, there is no flight available in this route on the dates you have given.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: You are most welcome. Thank you for your positive response and for reaching our agency.