You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Myself Gary Garcia, can you help me to modify the travel dates of my reservation I have done recently?

ASSISTANT: Sure, I am glad to help you in modifying your reservation. Please allow me a moment to check for your status is active or not.

USER: Thank you for the help.

ASSISTANT: Thank you for waiting.

USER: That is ok, thank you for helping me with the information.

ASSISTANT: Here, there is no active reservation have been found under your name in our database to amend it. Sorry for the inconvenience caused.

USER: Oh! that is so sad to hear, Anyways thank you for assisting me.

ASSISTANT: Thank you for reaching us.