You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Sandra Adams.

ASSISTANT: How can I assist you now?

USER: I have to attend an event at Chicago, could you please help me to book my flight ticket from DTW to ORD?

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

USER: I have to depart on 07/28 and return back on 07/30.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight 1003 in AA airline has the price 100. Can I proceed with this booking?

USER: That's perfect! You can book the ticket now.

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

USER: Thank you very much for your help.

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