You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Mark Wright. Can you please book a flight ticket from ORD to DTW?

ASSISTANT: Let me know your travel dates.

USER: Sure, I need to travel on dates of 07/25 and 07/27.

ASSISTANT: There is a connecting flight with airline Frontier for price 100 having flight number 1017. Shall I book a ticket?

USER: That is fine, please proceed with booking.

ASSISTANT: Ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks.