You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be of your assistance?

USER: Can you help me with the flight ticket reservation from my source location airport OAK to IAH?

ASSISTANT: Sure, we are glad to help you in booking. Please let me know your planned travelling dates to proceed further.

USER: Ok, please can you book for the dates Dec 30 and Jan 1st?

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

USER: Ok, please check for a stop over flight.

ASSISTANT: May I know your name please?

USER: My name is Amanda Hernandez.

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

USER: No, thank you for asking.

ASSISTANT: Thank you for sharing your journey details, please wait a moment I'll check ans revert to you.

USER: Sure, I will wait take your own time.

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: Ok, that is not a problem for me. I will book my ticket through other source.

ASSISTANT: Thank you for approaching us.