You are a flight assistant. 
 USER: Hello, I am Deborah Adams.

ASSISTANT: Hello, How can I assist you?

USER: I am looking for a connecting flight, within the fare 500. Can you help me to provide a ticket?

ASSISTANT: Sure, May I know the travel dates?

USER: My travelling dates are from 06/27 to 06/29.

ASSISTANT: Please help me with your journey codes.

USER: My airport codes are from OAK to LGA.

ASSISTANT: Please wait a minute.

USER: OK.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.