You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My client meeting has been postponed, so I want to reschedule my itinerary dates.

ASSISTANT: Yes, can you share me your name?

USER: Emily Martin here.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.