You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I have to attend dance competition at Houston, can you please help me to book a flight ticket from ORD to HOU?

ASSISTANT: Sure. When would you like to make your trip?

USER: Sure, my travelling dates are Aug 12 and Aug 14.

ASSISTANT: May I know your name?

USER: My name is Jonathan Gonzalez.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: I need a connecting flight.

ASSISTANT: Please give me a moment.

USER: Sure, take your own time.

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

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.