You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to travel to Chicago to meet my friend. Could you help me in booking a ticket?

ASSISTANT: Sure, I will help you in booking a flight ticket. On which dates you planning for this trip?

USER: I am planning my journey on dates 08/27 and 08/29.

ASSISTANT: Ok. May I know your nearest and Chicago airport codes?

USER: They are DEN and ORD respectively.

ASSISTANT: Please hold on, let me check.

USER: Sure.

ASSISTANT: Thanks for your patience, I found a flight with airline Spirit with connection 1. Can I book a ticket for you with this flight?

USER: Please book the ticket.

ASSISTANT: For booking your ticket, could I have your name, please?

USER: My name is Anna Hall.

ASSISTANT: Your ticket has been booked with flight number 1028.

USER: Thank you for your service.

ASSISTANT: It's my pleasure, I think you will enjoy with this airline service.