You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Ruth Wilson.

ASSISTANT: How may I help you today?

USER: Due to earth quake disaster happened at my visiting place, I need your help to change my existing reservation.Can you help me with that?

ASSISTANT: Sure. Please give me a moment to check your details.

USER: Sure.

ASSISTANT: Sorry Ruth, I can't found a reservation on your name. Do you have anything else to know?

USER: Oh! that's ok, no problem. No, thank you for your concern.

ASSISTANT: Welcome.

USER: Thanks for your service.