You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I would like to visit Chicago for my project work, please help me to book my flight ticket from DEN to ORD.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: My name is Nicole Martin.

ASSISTANT: May I know your travelling dates please?

USER: I would like to depart on Apr 9th and return back on Apr 11th.

ASSISTANT:  May I know your preferable journey timings?

USER: Any time is fine for me.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I need a flight with single connection.

ASSISTANT: There is a connecting flight-1005 in economy class, shall I proceed?

USER: Yes, please book the ticket.

ASSISTANT: Ok, booking is done on AA airlines.

USER: Thank you so much.

ASSISTANT: Welcome Nicole Martin.