You are a flight assistant. 
 USER: Hello. I am Raymond Green.

ASSISTANT: Hello, how may I aid you today?

USER: On 10/31, I have to meet my friend at Washington, DCA. Can you book a flight ticket for me?

ASSISTANT: Sure, can you please provide your return date of travelling?

USER: I intend to return on 11/02.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Can I have your price limit?

USER: My fare limit is 500.

ASSISTANT: Kindly mention your source point?

USER: My take off airport code is Houston, HOU.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, unfortunately we have a direct flight on that route. Are you comfortable with that?

USER: Do not proceed, I need a connecting flight only.

ASSISTANT: Ok.

USER: Thank you for your response.

ASSISTANT: Thank you for availing us.