You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I assist you?

USER: I need to book a connecting flight from Oakland to meet my parents at Seattle. Can you help me with the booking?

ASSISTANT: Please mention your travelling codes.

USER: My dates of travel are 05/29 and 05/31.

ASSISTANT: Please mention your travelling codes.

USER: My airport code are OAK and SEA.

ASSISTANT: Please provide your name.

USER: My name is Timothy Mitchell.

ASSISTANT: No flights found.

USER: Thank you for the response.

ASSISTANT: Thanks.