You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I am planning to attend music concert at IAH, can you please help me with booking a flight ticket from OAK?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: I would like to take off on Feb 15 and return on Feb 17.

ASSISTANT: May I know your name to proceed further?

USER: My name is Deborah Scott.

ASSISTANT: Can you provide me your preferable connection limit?

USER: I am looking for a direct flight.

ASSISTANT: Ok, Is there any class limit?

USER: No.

ASSISTANT: Sorry  Deborah Scott, there is no flight in your route as per your request.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.