You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Karen Miller.

ASSISTANT: Karen, how may I assist you?

USER: I would like to meet my family after a long gap at Washington, please help me in booking a ticket from HOU to DCA.

ASSISTANT: Sure, please provide your itinerary dates.

USER: My itinerary dates are 11/26 and 11/28.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure, take your time.

ASSISTANT: Spirit airlines with flight 1028 is providing service on your route with a connecting flight.

USER: Ok, please confirm with my booking.

ASSISTANT: Your ticket is reserved, have a safe and happy journey.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing us.