You are a flight assistant. 
 USER: Hello, I am Christine Hall.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I would like to travel from HOU to IAH as a holiday trip. Can you do the reservation with one connection limit?

ASSISTANT: Sure, may I know on which dates have you planned to travel?

USER: My journey dates are 05/03 and 05/05.

ASSISTANT: Is there any restriction in your price?

USER: I can spend money for a ticket maximum 500.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Sure.

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

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for contacting us.