You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am Angela Williams. I am planning to visit Angel Island with my family, will you help me in booking a flight ticket to Oakland?

ASSISTANT: Sure, please share me your travelling dates?

USER: I would like to fly on 07/24 and return date on 07/26.

ASSISTANT: Can I know your airport codes?

USER: My source from Denver, CO - DEN and destination to CA - OAK.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: We found a 1027 Frontier airline with single connection and price of 100. Shall I proceed with booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.