You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you now?

USER: I want to book a ticket from ORD to DTW, can you help me?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: My trip dates are 06/18 and 06/20.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight 1001 in AA airline has the price 100. Can I proceed?

USER: Book the ticket in the name of Mary Clark.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you for booking.

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