You are a flight assistant. 
 USER: Hello. I am Cynthia Hernandez.

ASSISTANT: Hello Cynthia, how can I assist you?

USER: I am a doctor and I have to do a surgery in my new hospital which is in SFO location, so please help me out by flight ticket booking from DCA location.

ASSISTANT: Please provide your itinerary dates.

USER: Sure, my itinerary travel dates are 10/12 and recur back on 10/14.

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

USER: Sure, take your own time and provide me an enhanced flight for my journey.

ASSISTANT: Delta airlines with flight 1002 is providing service with a connecting flight and ticket costs you 200 in economy class.

USER: Ok, please book the flight ticket in Delta airlines for my journey.

ASSISTANT: Your ticket is confirmed.

USER: I am happy with your service in my ticket booking, thank you so much.

ASSISTANT: Thank you for choosing us.