You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I am Larry Carter, can you help me to search a flight with 1 connection?

ASSISTANT: Sure, I will help you with that, from where you are going to start your journey?

USER: My origin airport code is LAX.

ASSISTANT: Let me know your travelling dates?

USER: My travelling dates are 07/18 and 07/20.

ASSISTANT: Can you help me with your destination airport code to proceed further?

USER: I would like to attend the party at EWR.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say this Carter, no flights with your requirements.

USER: Ok, I will check with other agency. Thank you for your help.

ASSISTANT: My pleasure, have a nice day.