You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Garcia.

ASSISTANT: How may I assist you today?

USER: We planned to enjoy at Botanical Garden but due to heavy rain we shifted to  other dates. Could you please help me in changing my previous reservation?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: Please be hold let me check the reservation list and get back to you with the status.

USER: Sure.

ASSISTANT: Thank you for your time. Sorry, there is no active reservation found in your given name.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for opting us. Have a great day.