You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I serve you for the day?

USER: As there is a arts and craft expo is going to be held in Houston, HOU. So, I need your assistance in booking my flight ticket from Washington, DCA.

ASSISTANT: Ok, I will assist you.

USER: Thank you.

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

USER: I need a stopover in my travel.

ASSISTANT: Please share your journey dates to move further with booking.

USER: My journey dates are 04/07 - 04/09.

ASSISTANT: Give me a minute, I will check and let you know the flight availability.

USER: Sure.

ASSISTANT: Thanks for giving your precious time. We  found a connecting flight of AA airline with price 100 that matches with your requirements.

USER: You can reserve my ticket with my name Deborah Collins.

ASSISTANT: Your ticket has been confirmed with flight number 1013.

USER: Thank you for assisting me.

ASSISTANT: Thank you for opting us.