You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to book a flight ticket from IAH to PHL to meet my grand parents.

ASSISTANT: Sure, we are here to help you in booking. Could you please share your planned travelling dates to proceed further?

USER: My travelling dates are Aug 17 and Aug 19.

ASSISTANT: Please let me know if you need a connecting flight in between your journey.

USER: I prefer to travel in a connecting flight.

ASSISTANT: Kindly share if you have any class preference.

USER: I am comfortable with any class.

ASSISTANT: May I know if you have any other comforts in between your journey?

USER: No, I do not have any other comforts.

ASSISTANT: To proceed further, can I have your name please?

USER: I am Brenda Gonzalez.

ASSISTANT: Thank you for sharing your journey details, we are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for availing us.