You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please help me with booking a flight ticket from DCA to DEN?

ASSISTANT: Sure, please provide me your planned travel dates.

USER: My journey dates are 3rd and 5th May.

ASSISTANT: Do you have any specific airline preference?

USER: No, I am flexible to fly in any airline.

ASSISTANT: May I know your connection limit?

USER: Sure, I am comfortable with maximum one connection.

ASSISTANT:  I will check all the available flight and revert back to you, meanwhile please share your name.

USER: Sure, my name is Donna Phillips.

ASSISTANT: We have a flight from JetBlue airlines, number 1008 and the price is 200. Shall I proceed with the booking?

USER: Please book it for me.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.