You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Emily Clark.

ASSISTANT: How may I aid you at this moment?

USER: Due to emergency I need to cancel my recent reservation, can you please help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for few minutes.

USER: Sure.

ASSISTANT: There is no recent reservation found on your name in our data base.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your information.