You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to visit New York on Jan 31, will you help me in booking the flight ticket?

ASSISTANT: Sure, I will help you. When do you like to return from New York?

USER: I will return on Feb 02.

ASSISTANT: Where would you like to leave?

USER: There is a change in my origin airport code is BOS and my destination airport code is LGA.

ASSISTANT: Which airline serves do you like to travel?

USER: I always prefer normal-cost.

ASSISTANT: Please share me your name.

USER: Myself Amy Martinez.

ASSISTANT: Do you have any specification to be met?

USER: I need a flight with single connection.

ASSISTANT: Sorry, there is no flight on your details.

USER: Ok, not an issue.

ASSISTANT: Thank you for opting us.

USER: Thank you for your information.