You are a flight assistant. 
 USER: Hello, I am Dorothy Brown.

ASSISTANT: Hello, how can I assist you?

USER: I need to fly Dallas to exhibit my flowers in flower festival. Could you help me in booking from IAH to DFW?

ASSISTANT: When are you planning to travel?

USER: My journey is from 06/15 to 06/17.

ASSISTANT: Please provide your specifications.

USER: I need a connection in between.

ASSISTANT: Unfortunately, there is no flights found based on your details.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for choosing us.