You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for today?

USER:  I planning to participate in singing competition which was held in Houston city in the month of July. Can you assist me in booking a flight ticket from my location OAK??

ASSISTANT: I feel happy in booking your flight ticket. Can you please let me know on which dates you are willing to plan your journey?

USER: I am willing to start my journey on July 27 and I want my return ticket at July 29 date.

ASSISTANT: In which airport you are willing to land in Houston city can you please let me know?

USER: I want to land in IAH airport.

ASSISTANT: Do have any preference about the connecting flight for this trip?

USER: I prefer single connection flight to complete my trip.

ASSISTANT: Could you please let me know your name for booking purpose?

USER: Please book my ticket with name Amanda Clark, if any you found.

ASSISTANT: In which class you prefer to have your journey can you please let me know?

USER: I prefer business class ticket for my journey.

ASSISTANT: Do you have any other specifications for this trip you want to met with?

USER: No.

ASSISTANT: I apologise to say this Amanda Clark, there are no flights which travels to your region due to heavy bookings.

USER: Ok, fine thanks for your information.

ASSISTANT: You are welcome, thank you for choosing us. Hope you have a nice day ahead.