You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Donald Hernandez. I wish to go for technical tour to NASA space center on 09/23.

ASSISTANT: Ok.

USER: So, can you please help me in booking a flight ticket to Houston, HOU?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: May I know your boarding point?

USER: Washington, DCA is my boarding point.

ASSISTANT: When you have planned to catch the return flight?

USER: My return  will be on 09/25.

ASSISTANT: Ok, give me a minute to check for the flight availability.

USER: Sure.

ASSISTANT: Thank you for giving your time. Southwest airline flight is running on your route with single connection and fare 100 in economy class. Shall I reserve it?

USER: Yes, you can reserve this flight.

ASSISTANT: Your reservation has been confirmed with flight number 1008.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe journey.