You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Scott Roberts here.

ASSISTANT: How can I assist you today?

USER: I want to book a flight to meet my mother in DCA, can you book a flight for me from LAX?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates for this journey will be from 02/29 to 03/02.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flights available under your preferable details. Thanks for reaching us, have a great day.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Welcome.