You are a flight assistant. 
 USER: Hello,. I am Edward Martin.

ASSISTANT: Hello, how can I best serve you today?

USER: Unfortunately my grand father was hospitalized, so can you help me to change my reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for considering my bid request.

ASSISTANT: Can you please wait for couple of minutes?

USER: Sure, I will wait for your response.

ASSISTANT: We are sorry to inform Edward Martin, there is no reservation found with your provided name in our data.

USER: Ok, no issues. Thanks for your quick response.

ASSISTANT: Thank you for availing us.