You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I support you today?

USER: I want to go for an Yosemite adventure at SEA, can you please help me in reserving a flight ticket from IAD?

ASSISTANT: Sure, we are here to help you in booking.

USER: Thank you.

ASSISTANT: Please share if you have any class preference.

USER: I would like to travel in any type of class.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I would like to travel in a connecting flight.

ASSISTANT: Could you please share your departure and arrival dates to proceed further?

USER: My departure date is Oct 29th and arrival date is Oct 31st.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No, you can go ahead.

ASSISTANT: To proceed further, can I have your name please?

USER: I am Barbara Miller.

ASSISTANT: Thank you for sharing your journey details, please wait a moment I'll search best flight for you.

USER: Sure, I'll wait.

ASSISTANT: There is a Spirit airline with flight number 1001 leaving from IAD on Oct 29th with 1 stop over in the midway and the estimate is 500. Shall I book an economy class ticket?

USER: That's perfect, you can proceed to book.

ASSISTANT: Your seat has been reserved and your e-ticket will sent to your registered email address.

USER: Thank you for your support.

ASSISTANT: It's pleasure to serve you. You're welcome, have an nice day.