You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Mark Thomas. I am planning to attend family gathering in ORD.Can you please help me to book a flight ticket from HOU?

ASSISTANT: Sure Thomas, may I know your dates of journey please?

USER: I prefer to travel on 06/04 and 06/06.

ASSISTANT: I found a flight with connections limit 1 of cost 200.

USER: Ok, please confirm my ticket.

ASSISTANT: Your ticket has booked. Airline UA and number is 1001.

USER: Thank you for the help.

ASSISTANT: Thank you. Happy journey.