You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you?

USER: I am Jacob Williams. Due to continues rainfall my basketball tournament has been postponed.I would like to change my existing reservation. Could you please help me?

ASSISTANT: Sure. Please, give me a minute.

USER: Sure.

ASSISTANT: No reservation found on your name.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for reaching us, have a nice day.