You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I would like to change my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, I will aid you with that.

USER: Thank you for accepting my request.

ASSISTANT: Can you please mention your name for further process?

USER: Myself Edward Martinez.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: There is no previous reservation available under your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.