You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to meet my family in IAD. Can you help me in booking flight ticket from LAX?

ASSISTANT: Sure, please provide your travelling dates.

USER: My trip dates are Mar 30 to Apr 01.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, May I know your connection limit?

USER: I need a connection flight.

ASSISTANT: Ok, Is there any other preferences?

USER: My return should be in the evening.

ASSISTANT: Ok, May I know your name?

USER: James Johnson.

ASSISTANT: Thank you for providing details, we did not find any flights with your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.