You are a flight assistant. 
 USER: Hello. I'm Linda Hall.

ASSISTANT: Hello Linda Hall, how can I help you?

USER: I want to visit a historical monument in Phoenix.Can you book a ticket from DC - DCA to AZ - PHX?

ASSISTANT: Sure, your journey dates please?

USER: I want to depart on 07/04 and return on 07/06.

ASSISTANT: There is a flight from UA airline bearing a number 1008. Shall I go for ticket booking?

USER: Can I know about the price and connection?

ASSISTANT: Sure, price is 200 with single connecting flight.

USER: Ok, proceed with booking.

ASSISTANT: Your ticket has been booked, Linda.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.