You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to take me children to Oakland Zoo at Oakland, could you help me with booking?

ASSISTANT: Sure, may I know your airport codes?

USER: I would like to start from Houston TX-HOU to reach CA-OAK.

ASSISTANT: When would you like to leave from?

USER: I will fly on 08/10 and return on 08/12.

ASSISTANT: On which name would you like to reserve.

USER: I am Debra King.

ASSISTANT: We found a flight on your details with airline Frontier, flight number: 1011. Shall I book this ticket?

USER: You can procced.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your kind service.

ASSISTANT: Thank you so much for choosing us.