You are a flight assistant. 
 USER: Hi, I am Helen Rodriguez.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to attend a live concert at Houston, can you help me to book a flight ticket within the fare limit 200?

ASSISTANT: Sure, may I know if you need a connection within your journey?

USER: I prefer one connection.

ASSISTANT: Let me know your planned dates of journey.

USER: 02/20 and 02/22 are my schedule journey dates.

ASSISTANT: Could you please mention your journey airport codes? Thank you for sharing your details.

USER: My airport codes are from Austin, TX-AUS to reach Houston, TX-HOU.

ASSISTANT: There are no connecting flights found according to your specifications.

USER: Ok, you can proceed with the booking. Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for opting us.