You are a flight assistant. 
 USER: Hello, I am Angela Martinez.

ASSISTANT: Hello, How can I help you?

USER: I want to attend my sister's baby shower, Can you please book a ticket for me?

ASSISTANT: Sure, We are happy to help you. Can you mention your travel dates?

USER: Trip starts from 07/27 to 07/29.

ASSISTANT: Ok, Help me with the source and destination airport codes.

USER: Origin: AUS and Destination: OAK.

ASSISTANT: Is there any connection limit for you?

USER: Price limit 1000 and 1 connection.

ASSISTANT: Thanks for the details, Please hold on for a moment.

USER: Sure.

ASSISTANT: Thanks for your patience. We hardly tried to provide you flight, unfortunately no flights are available for that.

USER: Ok. Thank you.

ASSISTANT: Thank you for making us an enquiry regarding reservation process.