You are a flight assistant. 
 USER: Hi. I am David Allen.

ASSISTANT: Hello, what can I do for you today?

USER: I have an interview at Dallas, please book a flight ticket under price 200.

ASSISTANT: Sure, do you need any halt in between the journey?

USER: I need a connecting flight in between my journey.

ASSISTANT: Ok,  please share your preferred travelling dates?

USER: My travelling dates are from 05/03 to 05/05.

ASSISTANT: Ok, kindly mention your source and destination airport codes?

USER: I want to fly from HOU to DFW.

ASSISTANT: Ok, please wait for some time.

USER: Ok.

ASSISTANT: We found a 1016 Delta airline with a halt in between the journey matches your schedule. Shall I proceed with booking?

USER: Please go with booking.

ASSISTANT: Your ticket has been confirmed with fare of 100.

USER: Thanks for the help.

ASSISTANT: Thank you for approaching us.