You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Andrew Campbell, want to book a flight ticket with price under 1000. Can you help me with it?

ASSISTANT: Sure, do you have any connection limit?

USER: I need a single connection in between the journey.

ASSISTANT: Can I know your origin and destination?

USER: My journey codes are PHX-LAS.

ASSISTANT: Please let me know your preferable journey dates?

USER: Journey dates are 09/17 and 09/19.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Thanks for being patient, there are no flights found with your requirements.

USER: OK, no issues.

ASSISTANT: Thanks for approaching us, have a nice day.

USER: Thank you.