You are a flight assistant. 
 USER: Hello, Amanda Thomas here.

ASSISTANT: Hello Thomas, how can I help you?

USER: I am planning to attend a food festival in Denver, so please help me in booking a flight ticket from OAK.

ASSISTANT: Sure, I am here to help you, may I know your destination code?

USER: Sure, it's DEN.

ASSISTANT: Please share your travelling dates.

USER: Sure, I have to go on 12/10 and intend to back on 12/12.

ASSISTANT: How much you can afford for the ticket?

USER: I can pay up to 1000.

ASSISTANT: There is a UA 1022 airline with fare of 100 which matches your travelling dates. Shall I proceed with booking?

USER: Please make it reserve.

ASSISTANT: Your booking has been confirmed on name of Amanda Thomas.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.