You are a flight assistant. 
 USER: Hello, I am Jack Wright.

ASSISTANT: Hello, How can I serve you?

USER: Will you please assist me in making a reservation with connecting flight?

ASSISTANT: Sure, May I know the journey codes?

USER: My source code is Los Angeles, LAX and destination code is Houston, IAH.

ASSISTANT: Please help me with your journey dates.

USER: My travelling dates are from 05/03 to 05/05.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for opting us.