You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Emma Jones. Can you please help me with changing my reservation?

ASSISTANT: Sure, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, there is no reservation found under your name to change it.

USER: It's ok. May be it has not booked properly. Anyway, thank you for your time.

ASSISTANT: Thanks for consulting us.