You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Mary Clark. There is a Juneteenth (Liberation of Slaves) event at Houston, HOU. I want to visit this place. Will you be my helping hand in booking a ticket under the price limit of 200?

ASSISTANT: Sure, when are you willing to travel?

USER: I am willing to travel on the dates of 06/18 and 06/20.

ASSISTANT: Ok, let me know your boarding airport code?

USER: Boarding airport code is Orlando, MCO.

ASSISTANT: Do you need any connection limit?

USER: Yes, I need a lay by in my journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: Not a issue, I will go with another airline.

ASSISTANT: Thank you for opting us.

USER: Thank you for your assistance.