You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I am planning to visit Lake Merritt at Oakland, could you please help me with booking a flight ticket from SEA to OAK?

ASSISTANT: Sure, may I know your travel dates please?

USER: I would like to depart on Jan 29th and return on Jan 31st.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Any other requirement to be met?

USER: I am looking for a connecting flight.

ASSISTANT: Can you mention your name to proceed further?

USER: I am Ashley Thomas.

ASSISTANT: Sorry, no flights found as per your requirement.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for contacting us.