You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to travel from TX-HOU to TX-IAH, for a round trip to enjoy vacation days at Houston.

ASSISTANT: Sounds good. Please provide your travel dates.

USER: Sure, my dates of trip is from 02/18 to 02/20.

ASSISTANT: May I know your name for booking the ticket?

USER: My name is Donald Clark here. My price limit is 200.

ASSISTANT: Clark, flight number 1008 of Hawaiian airlines is matching with your given details.

USER: Please confirm my ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for reaching us.

ASSISTANT: Thank you for approaching us.