You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brenda Campbell.

ASSISTANT: How can I support you?

USER: I need your support in booking my flight ticket, as I am not aware of flight ticket booking?

ASSISTANT: Sure. May I know the travelling dates?

USER: Sure, 12/08 and 12/10 are my travelling dates.

ASSISTANT: Can you provide your airport codes?

USER: My boarding point : Boston, MA - BOS and my landing point : Washington, DC - DCA.

ASSISTANT: Do you have any requirements?

USER: I need a single connection in between my journey. My price limit is 5000.

ASSISTANT: There is no flight found with your data.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.