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

ASSISTANT: Hello, how can I guide you for today?

USER: I am planning to travel on these days that is on Apr 11 and return on Apr 13. Can you find a flight ticket for me?

ASSISTANT: Can you please share your source and destination airport codes?

USER: Ok, my airfield locations are from DFW to IAH.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: Yes, I need a single connecting flight.

ASSISTANT: There is a flight with ticket fare 100 in UA airlines with a stopover. Is it ok for you?

USER: Yes, you can proceed with the ticket booking.

ASSISTANT: Your booking is confirmed with flight number 1019 in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a nice day.