You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am Anthony Garcia. I am planning to meet my colleague in Houston, could you help me in booking a flight ticket within a price limit of 5000?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are 08/06 and return on 08/08.

ASSISTANT: Do you need a lay by?

USER: I need a lay by.

ASSISTANT: Kindly share your airport codes please.

USER: My travelling airport codes are CLT and IAH.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Ok, there is an Frontier airline with flight number 1022 going on your way and the airfare is 100. Shall I proceed with this?

USER: You can proceed with booking.

ASSISTANT: Your reservation has been done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.