You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to reserve my flight ticket with 0 connection limit, can you please search a flight ticket for me?

ASSISTANT: Yes, I can do that for you. Could you share me your dates of travelling?

USER: Ok, thank you for opting my request. My travel dates are 09/30 and 10/02.

ASSISTANT: Ok, can I know your nearest airport codes?

USER: My trip codes are LAS- DCA.

ASSISTANT: Ok, give me a moment.

USER: Ok.

ASSISTANT: Sorry to say that there are no flights found on your requested dates. Can I know your name?

USER: Ok, fine thank you assisting me. and my name is Michael Mitchell.

ASSISTANT: Thank you for approaching us Michael.