You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I need to modify my previous flight ticket reservation, please help me with that one.

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you so much.

ASSISTANT: Can you please provide your name to check your reservation status?

USER: My name is Daniel Brown, you can check with this name.

ASSISTANT: Daniel Brown, there is no active reservation found under your name in our database.

USER: It's alright, I think it is not booked properly while I was booking. Thank you for your help.

ASSISTANT: Thank you for contacting us.