You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to book a ticket.Could you please help me in booking?

ASSISTANT: Please tell me your start and end point of travelling.

USER: I want to travel from DCA to DFW.

ASSISTANT: OK. I have a offer for you from UA airlines.

USER: Thank you very much for giving offer to me.

ASSISTANT: Bumper offer of this moth from UA airline. Tickets are providing in 100 only. Would you like to book?

USER: You can proceed this ticket with my name. My name Sharon Anderson.

ASSISTANT: Mr. Anderson your flight ticket is booked. Enjoy your journey with great offer.

USER: Thank you very much for giving this offer and helping to me.

ASSISTANT: Your most welcome Mr. Anderson.