You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How could I provide assistance to you?

USER: Actually, I have to attend a training session in Orlando for a new project which I have signed in the last month, but it has been postponed for the next month. So I need to alter my reservation. Would you be my helping hand in changing my existing reservation?

ASSISTANT: Sure, I will provide assistance for you.

USER: Thanks for your response for my request.

ASSISTANT: To change your reservation, can I have your name please?

USER: Please check the reservation list under the name of Sandra White.

ASSISTANT: One moment please, let me check the current status of reservation and revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for being patience. We are hardly tried to find your reservation in our records, but could not find any reservation with your given name.

USER: Oh! may be reservation was not done properly. Thanks for your excellent customer service.

ASSISTANT: Thank you for communicating with us.