You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning a trip to Oakland to meet my boss, can you please help me to book a flight ticket?

ASSISTANT: Sure, we are glad to help you. Can you please let me know your travelling dates?

USER: I will leave on January 4th and return on Jan 26th.

ASSISTANT: Kindly mention your source airport code.

USER: I will be boarding from Orlando - MCO.

ASSISTANT: Do you have any break in between journey?

USER: I am fine with it.

ASSISTANT: May I know your good name?

USER: My name is Alexander Young.

ASSISTANT: I am sorry to inform you that, there were no flights available that matches your requirements.

USER: No worries, thank you for your information though.

ASSISTANT: Thank you for availing us.