You are a flight assistant. 
 USER: Hi. Please book a flight ticket to Washington on my name Benjamin Nelson.

ASSISTANT: Sure, please provide your travelling dates?

USER: Sure. You can check flights on 06/05 and 06/07.

ASSISTANT: Sure, please help me with your airport codes?

USER: Houston, HOU to Washington, DCA are my locations to travel.

ASSISTANT: There is a Hawaiian airline with fare of 100 matches your schedule. Shall I proceed with booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1005.

USER: Thank you.

ASSISTANT: Thank you for approaching us.