You are a flight assistant. 
 USER: Hi, I am Donna Adams.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket to Charlotte on 08/27 to participate in River rafting at white water center, can you help me to book a flight ticket with in the price limit 5000?

ASSISTANT: Sure, may I know your planned return date?

USER: I intend to return on 08/29.

ASSISTANT: Is there any connection limit you prefer?

USER: The connection limit should be one.

ASSISTANT: Let me know your travelling dates please.

USER: I already mentioned above.

ASSISTANT: Could you please provide your airport codes?

USER: My boarding point is Houston, TX-HOU and my landing point is Charlotte, NC-CLT.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for your time. We found a airline matching with your requirements.

USER: May I know the flight details?

ASSISTANT: Sure, Hawaiian airline, flight number 1005 and price is 200.

USER: That's good, you can proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for being with us.