You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Christine Lopez, I want to book a flight from Detroit to spend my holidays at Chicago. Can you book a connecting flight for me?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I will fly on 03rd Aug and return on 05th Aug.

ASSISTANT: Do you have any preferences?

USER: No, I do not have any other preferences.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Spirit airlines is available in your route with the ticket fare of 100 in economy class, shall I proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked with the flight-1009.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.