You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Ryan Collins.

ASSISTANT: How exactly I can serve you?

USER: I need to book a ticket to attend the parent meeting of my daughter on 01/18.

ASSISTANT: Ok.

USER: Could you please help me in booking a return ticket on 01/20?

ASSISTANT: Sure, can I know your price limit?

USER: Price should not exceed 5000.

ASSISTANT: Kindly mention your airport locations?

USER: My airport codes are DEN and OAK.

ASSISTANT: Please wait for a while, I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: I found a connecting flight from an AA airline of fare 100 and flight number 1024. Shall I make it confirm?

USER: You can confirm.

ASSISTANT: Your flight reservation is done successfully.

USER: Thank you.

ASSISTANT: Thanks for opting us, have a good day.