You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Jones.

ASSISTANT: How may I help you, Eric?

USER: I am planning to change my reservation, can you help me?

ASSISTANT: Sure, please give me a minute.

USER: Sure.

ASSISTANT: Eric, there are no active reservations found with your details.

USER: That's fine. Anyway, thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.