You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I help you?

USER: I am James Anderson. I need to book a ticket to celebrate my mother birthday on 06/11  with fare of 500. Could you please help me in doing that?

ASSISTANT: May I know your return date?

USER: I would like to return on 06/12. I would like to start on 06/10.

ASSISTANT: Please let me know your travelling codes?

USER: My travelling airport codes are BOS and HOU.

ASSISTANT: Do you need halt in between your journey?

USER: I need a halt in between the journey.

ASSISTANT: No flights found for your travelling dates.

USER: No problem, thank you for your information.

ASSISTANT: Thanks.