You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking from OAK to IAD?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My travelling dates are from Aug 2 to Aug 4.

ASSISTANT:  Do you require any stopovers in your journey?

USER: I need a connecting flight.

ASSISTANT: Would you let us know if you have any other preferences?

USER: My depart time should be morning.

ASSISTANT: Please share your name.

USER: My name is Robert Moore.

ASSISTANT: Ok, please wait a minute I will get back to you with the flight details.

USER: Sure.

ASSISTANT:  As per the intents mentioned, Spirit Airlines is providing a connecting flight and the airfare is about 100. Shall I proceed with flight 1018?

USER: Ok, proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for reaching us.