You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, could you please provide me your travel dates?

USER: I want to travel on 08/15 and recur on 08/17.

ASSISTANT: May I know your origin airport code?

USER: I want to start from New York, NY - LGA.

ASSISTANT: Can you please provide me your name?

USER: I am Sandra Garcia.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is UA with price 100.

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thanks for your help.

ASSISTANT: Thanks for reaching us.