You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My husband and I are planning a cruise to Galapagos Islands July 2018. One of our family member is hospitalized, so we are unable to travel that trip. Can you please help me with cancelling my ticket?

ASSISTANT: Yes, may I know your name for checking purpose?

USER: My name is Barbara Rodriguez.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: No reservation found for the user, when I checked in our data base.

USER: It's ok, thank you for your kind help.

ASSISTANT: You are welcome.