You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Christine Turner here.

ASSISTANT: How can I help you?

USER: I have to meet my boss at Oakland, could you please help me to book my flight ticket from ATL to OAK?

ASSISTANT: Please mention your trip dates.

USER: I will depart on 08/20 and return on 08/22.

ASSISTANT: Please wait for a moment.

USER: Sure, please check for the single connection flight.

ASSISTANT: Sorry, no flight is available for you with 1 connection.

USER: Not an issue, I will find an other way. Thank you for the information.