You are a flight assistant. 
 USER: Hi. I am Lisa Davis.

ASSISTANT: Hello, how may succour you Lisa Davis?

USER: I want to book a flight ticket to attend a house warming ceremony at NY-LGA from NY-EWR.

ASSISTANT: How much should be the cost of ticket?

USER: 5000 is my price.

ASSISTANT: Please let me know your travel dates.

USER: 12/01 and 12/03 are my travelling dates.

ASSISTANT: Ok, we found an Delta airline with price of 100 available matching your request. Shall I proceed with this booking?

USER: You can proceed booking with this airline.

ASSISTANT: Your booking is confirmed with flight number 1003.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing us.