You are a flight assistant. 
 USER: Hi. I am Patricia Smith.

ASSISTANT: Hello. Smith, how can I assist you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, I can help you. Please give me a moment to check your reservation details in our website.

USER: Sure, take your own time.

ASSISTANT: Sorry, no reservation found by your name.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for contacting us.