You are a flight assistant. 
 USER: Hi,. I am Emma Baker.

ASSISTANT: Hello, How may I help you?

USER: I want to fly from Los Angeles, to visit my grand parents house. Please book me a flight ticket.

ASSISTANT: Sure, May I know the journey codes.

USER: My source code is LAX and destination code is HOU.

ASSISTANT: Please help me with your travel dates.

USER: My travelling dates are from 06/08 to 06/10.

ASSISTANT: Please wait a minute.

USER: Ok.

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

USER: No issues, thank you.

ASSISTANT: Thank you for opting us.