You are a flight assistant. 
 USER: Hi, Donna Clark here.

ASSISTANT: Hello, how can I assist you?

USER: I am a police officer and there is a meeting for all the coordinators in mail hall which is in Oakland, so I have to attend the meeting. Can you please help me in flight ticket booking from TX-IAH to CA-OAK?

ASSISTANT: Sure, I am ravish to help you.

USER: Thank you.

ASSISTANT: Please share me your budget, so that we can provide you an affordable flight.

USER: Sure, I can pay up to 200.

ASSISTANT: Ok, can you please share your journey dates that you prefer to travel?

USER: Yes, I have planned to travel on 08/23 and return on 08/25.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a direct flight.

ASSISTANT: Ok, Wait for a moment I will check the availability of the flight and get back to you.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, no flights run on respective dates due to bad weather alerts.

USER: That's ok. Thank you for the response.

ASSISTANT: Thank you for reaching us. Have a good day.