You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to visit Houston, please help me in booking a ticket.

ASSISTANT: Ok, can you please share your preferable travel dates?

USER: My travel dates are 06/21 and 06/23.

ASSISTANT: Could you please provide the airport codes?

USER: My airport codes are LAS and HOU.

ASSISTANT: May I know your name to proceed further?

USER: My name is Betty Walker.

ASSISTANT: Thank you for the details. Betty, there is a flight available with price 100 and the connection is 1 with UA airline. Would you like me to proceed with the booking?

USER: Ok, please book my ticket.

ASSISTANT: Your booking is confirmed with 1011 flight number.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.