You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amy Hill.

ASSISTANT: How may I help you?

USER: I would like to visit Washington for exploring new things in the city. Can you help me in booking a ticket?

ASSISTANT: Good to hear, may I know your trip dates please?

USER: I am planning to travel on 10/30 and 11/01.

ASSISTANT: Let me know your source and destination airport codes.

USER: The airport codes are LAS and DCA respectively.

ASSISTANT: I found a flight for you in Frontier airlines with flight number 1008.

USER: May I know the price of the ticket?

ASSISTANT: Sure, the price is 200.

USER: Please book the ticket.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for your quick service.

ASSISTANT: Thank you for reaching us.