You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in changing my recent reservation?

ASSISTANT: May I know your name?

USER: Myself Amanda Anderson.

ASSISTANT: We found a reservation under your name, can you share your changed trip details?

USER: My trip dates are Mar 20 and Mar 22.

ASSISTANT: Can you give me your travel source and destination?

USER: My source airport code is SEA and my destination airport code is JFK.

ASSISTANT: Do you need any connections?

USER: I prefer to travel in single connecting flight.

ASSISTANT: Do you have any airline preference?

USER: My friend told that Delta airline is best. Can you please search flight ticket is available in that airline or I am ok with any airline.

ASSISTANT: Sure, wait for a moment.

USER: Ok, sure.

ASSISTANT: Sorry, there are no flights available with your details.

USER: Thanks for checking.

ASSISTANT: Thank you for reaching us.