You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Margaret Nelson from Las Vegas.

ASSISTANT: How can I assist you today?

USER: I need to attend  a cultural fest in Houston so please help me with flight ticket booking.

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Thank you. I would like to travel on dates of 10/12 and 10/14.

ASSISTANT: Please provide your airport codes that you want to travel.

USER: Sure, I need to departure from LAS and return from IAH airports.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 0 is available. Shall I confirm your ticket?

USER: I need connection 1 so please recheck with that.

ASSISTANT: There is no flights available with connections 1.

USER: Oh! It is sad to hear. Anyway, I will go with another agency this time. Thank you for checking.

ASSISTANT: Welcome, have a great day.