You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Attending a sports event at PHL, I would like to book a ticket under the price limit of 500. Will you help me in this with the name of Katherine Anderson?

ASSISTANT: Sure, let me know your airport codes?

USER: My origin is Boston, BOS.

ASSISTANT: Please provide your travelling dates.

USER: 09/29- 10/01 are the dates of journey.

ASSISTANT: We found a direct flight with your details. Shall I proceed?

USER: No, do not proceed.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you.