You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I would like to do my project work at Detroit, please help me in booking a ticket from HOU to DTW.

ASSISTANT: Sure, May I know the travelling dates?

USER: My planned travel dates are on Feb 20 and Feb 22.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Is there any other requirements?

USER: I prefer normal-cost airline.

ASSISTANT: May I know your name?

USER: My name is Brian Hernandez.

ASSISTANT: Please wait a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, No flights found with your  preferable dates.

USER: Ok, no issues, Thank you for your information.

ASSISTANT: Thank you for availing us.