You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you the best, at this moment?

USER: Can you please book me a flight ticket under the fare of 5000?

ASSISTANT: Sure, Where are your travelling airport codes?

USER: My travelling airport codes are from NY - EWR to AZ - PHX.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: Please reserve my ticket on the name of Gregory Walker.

ASSISTANT: On what dates, you prefer to travel?

USER: I intend to fly on 09/15 to 09/17.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a 1026 Jet Blue airline, with fare of 100 matching your needs.

USER: Ok, book my ticket.

ASSISTANT: Your booking is done successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us.