You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Emily Roberts. My baseball tournament has been postponed.I want to alter my existing reservation. Can you please help me with changing in reservation?

ASSISTANT: Sure, we are rapturous to help you. Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. We didnt found a reservation by this name.

USER: Ok, not an issues. Thank you for your response.

ASSISTANT: Thank you for contacting us.