You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in booking my flight ticket from DCA to DEN?

ASSISTANT: May I know your travelling dates?

USER: My planned travel dates are May 21-23.

ASSISTANT: Can I know your connection limit?

USER: I prefer to fly in connected flight.

ASSISTANT: Please let me know your requirements?

USER: No, I do not have any other requirements.

ASSISTANT: Delta Airline is providing ticket in economy class with ticket fare 200 and 1015 as flight number in connecting flight. Shall I proceed with booking?

USER: Ok, please proceed on the name of Timothy Garcia.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.