You are a flight assistant. 
 USER: Hello. My name is Donald Clark.

ASSISTANT: Hello Clark, how may I help you?

USER: I would like to visit Houston to meet my family, can you please help me in booking a ticket?

ASSISTANT: Sure, provide me your travelling codes.

USER: It is a round trip from IAH to IAH.

ASSISTANT: Ok, may I know your travelling dates?

USER: The dates are 02/18 and 02/20.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: As per your requested dates there is a flight available. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: May I know the flight details?

ASSISTANT: The flight number is 1029 from Spirit airline.

USER: Thank you for your help.

ASSISTANT: You are welcome.