You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am James Anderson.

ASSISTANT: How can I assist you today?

USER: Can you help me booking a flight ticket from LAX to IAD?

ASSISTANT: Sure, please share me your travelling dates.

USER: I will start on 10/05 and return on 10/07.

ASSISTANT: Do you need any connection limit?

USER: I need a break in my journey.

ASSISTANT: May I know your preferable timings?

USER: I need to return in the afternoon time.

ASSISTANT: Sorry to inform you that there are no available flights found in our database.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.