You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samuel Williams here.

ASSISTANT: How can I aid you at this moment?

USER: I need your help in booking of a flight ticket from ORD to DEN for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, I can aid you in booking flight ticket. Can you please let me know your preferable travel dates for booking flight ticket?

USER: Sure, I am planning to leave on 01/28 and please book my return ticket on 01/30.

ASSISTANT: Thank you for providing your travel details. I will put the conversation on hold to check the best flights available in your route.

USER: Ok, take your time.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by AA airlines. Shall I proceed with this?

USER: I am ok with this, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1001.

USER: Thank you for your guidance in booking of my ticket.

ASSISTANT: You are welcome.