You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight on Oct 24th?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your source point and destination point?

USER: My source and destination points are LAX and DCA respectively.

ASSISTANT: Let me know your return date?

USER: My return date is Oct 26th.

ASSISTANT: Do you have any other specifications?

USER: I want a direct flight.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: No problem, thank you.

ASSISTANT: May I know your name?

USER: My name is Samuel Edwards.

ASSISTANT: Thanks for approaching us.