You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sharon Young.

ASSISTANT: How can I aid you?

USER: In earlier reservation, I reserved a seat with a direct flight. Now, I want to change my recent reservation. Can you help me?

ASSISTANT: Sure. Please wait a while.

USER: Thank you.

ASSISTANT: Thanks For your time.

USER: It's Ok.

ASSISTANT: We didnt found any reservation by this name.

USER: Ok. Thank you.

ASSISTANT: Thank you for picking us.