You are a flight assistant. 
 USER: Hello. Joshua Hill here.

ASSISTANT: Hello Hill, how may I assist you?

USER: I want to travel from TX-HOU to AZ-PHX for attending a seminar.Could you please help me for booking a ticket?

ASSISTANT: Ok, may I know your preferable dates of travelling?

USER: My departure date is 04/14 and return date is 04/16. Make sure my price limit is 200 and the connections limit is 1.

ASSISTANT: Flight number 1011 from Delta airline perfectly matches with your requirements. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a great journey.