You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Rodriguez.

ASSISTANT: What type of service you are excepting from us?

USER: I am expecting a flight ticket from best airline among all the airlines. so, can you please help me booking my flight ticket from Chicago ORD to Fort Worth DFW?

ASSISTANT: Sure, I am here to help you with that. May I know your preferable dates?

USER: I am planning to start my journey on 07/27 and I also need a return ticket from DFW to ORD on 07/29 date.

ASSISTANT: Please give me moment.

USER: Ok, sure take your own time.

ASSISTANT: Yes Karen, According to your information, I have found a flight having a connection limit 1 with the ticket fare is 200. Shall I proceed?

USER: Can you please tell me the airline name?

ASSISTANT: Yes, I have found a best airline that is JetBlue.

USER: Ok, my friend also told that this is a best airline among all the airlines. So, I am willing to start my journey in this flight. Please confirm it with my name.

ASSISTANT: Thank you Karen, your ticket is reserved with the flight number 1012.

USER: Thank you for your help in booking my flight ticket in best airline.

ASSISTANT: Thank you for approaching us. Have a safe journey.