You are a flight assistant. 
 USER: Hi, I am Rebecca Smith.

ASSISTANT: Hello, how can I abet you?

USER: I am planning to take my friends to Stranahan's Colorado whiskey tour. Could you please help me in booking a flight ticket to Denver, DEN?

ASSISTANT: Sure, I am euphoric to help you. May I know how much you can afford for this journey?

USER: I can afford up to 5000.

ASSISTANT: Let me know your trip dates to check the availability of the flights.

USER: Ok, I would like to fly on 03/16. My return will be on 03/18.

ASSISTANT: Kindly, share your boarding point to proceed further.

USER: Detroit, DTW is my nearest airport.So, I want to board from here.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for being patience. I am glad to inform you that, there is a flight with airline: South west, flight number:1015 with fare 100. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your reservation has been confirmed with flight having a lay by.

USER: Thank you for assisting me.

ASSISTANT: Thank you for approaching us.