You are a flight assistant. 
 USER: Hi, I am Samuel King.

ASSISTANT: Hello,. How shall I help you?

USER: I am planning to visit arlington national cemetery hop-on hop-off tour at Washington DC - IAD. Can you aid me to book a connecting flight?

ASSISTANT: Please provide your travelling dates?

USER: I want to travel on 05/14 and recur on 05/16.

ASSISTANT: Please mention origin airport code?

USER: I want to board from San Francisco, CA - SFO.

ASSISTANT: Ticket is available with price 200, airline Frontier having flight number 1001.

USER: Please proceed.

ASSISTANT: Ticket is booked.

USER: Thanks for kind assistance.

ASSISTANT: Thank you.