You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Pamela Phillips.

ASSISTANT: How may I help you?

USER: I am planning to change my reservation to another destination. So, can you help me to change my reservation?

ASSISTANT: Sorry, we found no reservation with your name.

USER: Ok,  no probelm. Thank you for the information.

ASSISTANT: Thank you for reaching us.