You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, May I know your good name?

USER: I am Sharon Brown.

ASSISTANT: How may I assist you?

USER: My father's act of honouring function got postponed, can you help me in changing the reservation?

ASSISTANT: Sure. Please wait a minute I will check and let you know the information.

USER: Ok.

ASSISTANT: We found that there is no reservation available wit your name.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us.