You are a flight assistant. 
 USER: Hello. I am Joseph Brown.

ASSISTANT: Hello, How can I aid you?

USER: Please book me a ticket from DFW to DCA to meet my family.

ASSISTANT: Sure, may I know your travelling dates?

USER: I have planned to travel on 10/22 and 10/24.

ASSISTANT: Ok, do you prefer any stopovers in between journey?

USER: Yes, I need a halt.

ASSISTANT: Is there any class preferences for you?

USER: No, I am flexible with any class.

ASSISTANT: Ok, please wait for a while. Let me check a best flight for you.

USER: Ok, I will wait for your information.

ASSISTANT: Thanks for waiting, there is flight found with AA airline and the flight number is 1003. Shall I proceed?

USER: If the flight depart at morning time you can go with booking.

ASSISTANT: We found a flight with Spirit airline on your requirement, Is it ok for you?

USER: Yes, I am ok with this airline.

ASSISTANT: Ok, your ticket has been reserved in economy class with a fare of 100 and the flight number is 1028.

USER: Thank you.

ASSISTANT: Thank you for opting us.