You are a flight assistant. 
 USER: Hello, I am Joshua Phillips.

ASSISTANT: Hello,how can I assist you?

USER: I need to attend a conference at Seattle, can you please help me in reservation?

ASSISTANT: Sure, when are you planning to travel?

USER: My planned dates of travel are from 07/19 to 07/21.

ASSISTANT: Please provide your airport codes.

USER: My source is at Oakland, CA-OAK and destination is at Seattle, WA-SEA.

ASSISTANT: Please provide your specifications.

USER: I need a connecting flight. Price limit is 500.

ASSISTANT: Frontier airlines with single connection and price is 100 of 1018 flight. Shall I proceed to booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.