You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I made a reservation earlier to attend for an exam but due to some political issues, the exam got postponed to other dates.

ASSISTANT: Yes, can you tell me your name?

USER: Sure, my name is Samuel Garcia.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: No issues, thank you.

ASSISTANT: Thank you for contacting us.