You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me to book flight ticket from LGA to HOU?

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: My trip dates are May 23 and May 25.

ASSISTANT: Do you need any break?

USER: I need a break in between the journey.

ASSISTANT: Is there any other specifications?

USER: I prefer normal cost airline.

ASSISTANT: Ok. Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Sure, I will wait.

ASSISTANT: May I know your name?

USER: I am William Thomas.

ASSISTANT: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.