You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I have to change my reservation with my new travelling dates. Can you please help me with that?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: Thank you. Myself Emma Miller.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Oh! It may not be booked properly due to technical issues while booking.

ASSISTANT: Thank you for reaching us.

USER: Anyway, thank you for your time.