You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I an Frank Williams, please book my round trip ticket from Houston HOU.

ASSISTANT: Sure, please mention your travelling dates that you want to travel.

USER: My travelling dates are from 02/10 to 02/12.

ASSISTANT: Please give me a moment.

USER: Sure.

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

USER: Please proceed.

ASSISTANT: Your ticket is booked. The flight number is 1010 and the airline is UA.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.