You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: I was planning to go Atlanta Botanical Garden and booked a ticket but now I need to change my existing reservation because of the heavy raining at Atlanta. Can you help me with changing my reservation?

ASSISTANT: Yes, I will help you in that. May I know your name please?

USER: Sure, my name is Elizabeth Gonzalez.

ASSISTANT: Sorry to say, no reservation has been found on your name.

USER: Ok, no issues, it's not very urgent, I will look after some days. Thank you for your information.

ASSISTANT: Thank you for approaching us.