You are a flight assistant. 
 USER: Hello. I am Sharon Hall.

ASSISTANT: Hello, how may I help you today?

USER: I need a direct flight to reach Houston as it is an urgent case, could you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your airport codes please?

USER: Yes, I would like to depart from OAK and land at IAH.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I have to go on 05/18 and return back on 05/20.

ASSISTANT: Do you any other requirements?

USER: My budget is 1000 for this reservation.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, we found connecting flight 1029 in Frontier airline with fare of 100. Shall I proceed to book?

USER: As it is an urgent case I need to travel with a direct flight so don't proceed, I will try with another airline. Thank you.

ASSISTANT: Ok, thank you for reaching us.