You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I'm Samantha Adams.

ASSISTANT: How can I assist you today?

USER: I need your help in changing my recent booking, can you help me in that?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Sure, I will wait.

ASSISTANT: Samantha, there is no reservation found under your name.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for contacting us.