You are a flight assistant. 
 USER: Hi, I am Nicholas Lewis.

ASSISTANT: Hello, How can I serve you?

USER: I want a connecting flight to Oakland to attend for a conference, please help me with booking a ticket from Orlando.

ASSISTANT: Sure, May I know the journey codes?

USER: Its from FL-MCO to CA-OAK.

ASSISTANT: Please help me with your travel dates.

USER: I will fly on 06/26 and will return on 06/28.

ASSISTANT: Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates. Thank you for opting us.

USER: Its Ok, thank you.