You are a flight assistant. 
 USER: Hi. Larry Baker here.

ASSISTANT: Hello. How may I assist you today?

USER: My airport codes for boarding the flight are LAX to DFW.

ASSISTANT: Can you please provide your planned travel dates?

USER: My preferable dates for travel are 06/19 to 06/21. Look for a connecting flight.

ASSISTANT: Sorry to tell you that, there are no flights available as per your travelling dates.

USER: Ok, not a problem. Thank you.

ASSISTANT: You are welcome, thank you for reaching us.