You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brenda Roberts here.

ASSISTANT: In which way I can help you at this moment?

USER: Can you help me to find a flight from DCA to LGA?

ASSISTANT: Sure, I will help you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?

USER: My trip dates are 12/17 and 12/19.

ASSISTANT: Just give me a moment, I will check flight availability in this route as per your requested dates.

USER: Sure.

ASSISTANT: Delta airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I book this flight ticket for you?

USER: You can proceed with this flight.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1014.

USER: Thanks for your help.

ASSISTANT: You are welcome Brenda Roberts.