You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I would like to book a flight ticket from DFW to IAH to meet my friend.

ASSISTANT: Sure, please share your planned travelling dates to proceed further.

USER: My travelling dates are Nov 25 and Nov 27.

ASSISTANT: Do you need a break in between your journey?

USER: I prefer to travel in a connecting flight.

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

USER: No.

ASSISTANT: Before check with the airlines, may I know your name please?

USER: I am Anthony Rodriguez.

ASSISTANT: Thank you for sharing your journey details, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. 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 your the information.

ASSISTANT: Thank you for approaching us.