You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am a singer from Minneapolis and I had a live music concert in Houston but due to some technical problem the show got postponed, can you please help me with making some changes in my existing reservation?

ASSISTANT: Sure, I am here to help you. To change the reservation I need your name so that I can check your details in our database.

USER: Please check the reservation on the name Ashley Brown.

ASSISTANT: Thank you for providing your name. Please wait for a while, I will get back to you with the current status.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting, I am sorry to inform you that there is no active reservation found in your name.

USER: No worries, thank you for your valuable information.

ASSISTANT: Thank you for contacting us.