You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I want to change my recent reservation, Can you please help me that?

ASSISTANT: Sure, May I know your name?

USER: My name is Jacob Clark.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We have found a reservation on your name, Please provide new journey date details.

USER: My journey dates are from Feb 29 to Mar 02.

ASSISTANT: Please help me with your journey codes?

USER: My airport codes are from JFK to LGA.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection in between journey.

ASSISTANT: Is there any other requirements?

USER: I prefer only normal cost airlines.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for opting us.