You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this minute?

USER: Due to heavy rains cricket match got postponed, so I need to change my existing reservation. Can you help me in amending the reservation?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: Could you provide me your name?

USER: Sure, the ticket has been reserved on the name Cynthia Garcia.

ASSISTANT: Please wait for a minute, so that I will check the reservation status.

USER: Sure, I will wait for your response.

ASSISTANT: We are sorry to inform you that, there is no reservation found on your name in our records.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.