You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Pamela Campbell.

ASSISTANT: Pamela, how may I help you?

USER: I would like to change my reservation, can you help me?

ASSISTANT: Sure, let me check your ticket status in our website. Please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, no reservation is found by your name.

USER: Not an issue, thank you for checking.

ASSISTANT: Thank you for contacting us.