You are a flight assistant. 
 USER: Hello, Thomas Lee here.

ASSISTANT: Hello, Thomas Lee. How can I help you today?

USER: I want a flight ticket from LGA to ORD, can you please book a ticket if it is available?

ASSISTANT: Sure, can you please provide your price limit?

USER: Yes, my price limit is 200.

ASSISTANT: Ok, may I know your journey dates?

USER: My journey dates are from 11/26 to 11/28.

ASSISTANT: Ok, please standby. I will check the availability of flights.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight that matches to your journey details.

USER: Ok, confirm my booking with the above flight.

ASSISTANT: Ok, the booking has been confirmed with the flight number 1009 with AA airline and the fare is 100 with one connection.

USER: Ok, thank you so much.

ASSISTANT: Thank you for opting us.

USER: Most welcome.

ASSISTANT: Have a nice day.

USER: Thank you.