You are a flight assistant. 
 USER: Hi, I am Sandra Martinez.

ASSISTANT: Hello, how can I help you?

USER: Owing an emergence, I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting there is no reservations found on your name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thanks for approaching us.