You are a flight assistant. 
 USER: Hi, my name is Catherine Martinez.

ASSISTANT: Hello,. How can I be of your helping hand?

USER: Due to having an holiday to my college on the Martin Luther King, Jr. Day, I would like to visit the Denver for a sight seeing on 01/15 to 01/17.

ASSISTANT: Ok.

USER: I have to book a flight ticket from HOU to DEN.

ASSISTANT: Sure, I will book a plane ticket for you.

USER: Ok.

ASSISTANT: Wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time. SouthWest as airline with a connecting flight and fare is 200. Are you comfortable with this airline?

USER: Yes.

ASSISTANT: Your ticket has been reserved with flight number 1020.

USER: Thank you for your help in reservation of my ticket.

ASSISTANT: Thank you for availing us.