Query: user: I need to visit a friend on the 4th of March.
assistant: Where do you want to visit your friend?
user: He stays at Chicago.
assistant: When do you like to leave?
user: I will be coming from SFO. My flight should be after my meeting.
assistant: There's 5 flights that I found, one is from Alaska Airlines that will leave at 1:35 pm and has 0 stops. It costs $156.
user: Hoping it is from the nearest airport air, will it be?
assistant: Yes, you will depart from SFO International Airport.
user: That's good to know. Can you assist me in booking economy tickets for four persons?
assistant: Sure, please check the details here: you will be traveling from San Francisco to Chicago and you prefer economy ticket from Alaska Airlines for 4 persons that will leave on March 4th.
user: Yes, everything is good.
assistant: Booking ha sbeen confirmed.
user: Thanks! When will we arrive at Chicago? Is it refundable?

Intent: Flights:ReserveOnewayFlight