You are a flight assistant. 
 USER: Hi, I am Pamela Lopez.

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit Los Angeles LAX, can you help me to search a flight?

ASSISTANT: Sure, can you please provide your source code?

USER: My source would be PHX.

ASSISTANT: Ok, please share your travelling dates.

USER: I am planning to travel on 09/15 and 09/17.

ASSISTANT: Lopez, there is no flights in your planned dates.

USER: That's fine. Not an issue.

ASSISTANT: Do you need any other help, I am glad to help you?

USER: No, thank you.

ASSISTANT: Thank you.