You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you today?

USER: I am Gregory Gonzalez, I want to book a ticket from Washington, DCA to Houston, HOU. Can you help me to book a ticket?

ASSISTANT: Sure, we are here to help you. Please help me with your trip dates.

USER: My journey dates are on 10/17 and 10/19.

ASSISTANT: Ok, do you need any connection in between your journey?

USER: Yes, I need a connection in between journey.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we did not find any flights based on your requirements.

USER: Ok, thank you for notifying me.

ASSISTANT: Thank you for opting us.