You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Can you please tell me what type of help I need to do for you?

USER: Can you help me to change my reservation?

ASSISTANT: Ok, sure. Can you please let me your name for checking your reservation?

USER: My name is Angela Lopez.

ASSISTANT: Ok, please stay in online. I will check and let you know your reservation status.

USER: Ok.

ASSISTANT: Thank you for staying in online. Sorry, Lopez no reservation found on your name to change.

USER: Ok, no issues. Thank you for your time.

ASSISTANT: Thank you for reaching us.