You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I would like to book a flight from SEA to OAK, can you please help me to book a flight ticket?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, my journey dates are May 03 and May 05.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable to travel in any class.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: My airline preference is normal-cost.

ASSISTANT: Can you please provide your name to proceed further?

USER: My name is Rachel Martinez.

ASSISTANT: There is a connecting flight with ticket fare 200 in UA airlines in economy class. Is it ok for you?

USER: Ok, please book.

ASSISTANT: Your booking is confirmed with flight number 1010. Departure time is 6:00 hours and arrival time is 2:00 hours.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a nice day.