You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Donna Edwards.

ASSISTANT: Glad to help you, Donna.

USER: I am planning to travel from LAX to CLT, can you help in booking a flight for me ?

ASSISTANT: Sure, may I know your dates of journey please?

USER: My date of travelling is on 12/01 to 12/03.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Donna, there is no flight found as per your travelling details.

USER: That's ok.

ASSISTANT: Thank you for your information.

USER: Thank you for your help.