You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Patricia Parker here.

ASSISTANT: How can I assist you today?

USER: I want to travel from DEN on 02/18 for attending a Shuttle tournament. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, please provide your destination airport code.

USER: My destination code is IAH.

ASSISTANT: Please provide your return journey date.

USER: My return date will be on 02/20.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is a flight with price 100 and the connections 1 is available.

USER: That's great. Please proceed.

ASSISTANT: Your ticket is booked. The flight number is 1015 and the airline is Delta.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.