You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you please book a flight ticket from LAS to PHX?

ASSISTANT: Sure, We are here to help you out. Kindly share me your travelling dates.

USER: Thank you. My travelling dates Oct 14 and Oct 16.

ASSISTANT: Do you need any connecting flight?

USER: I need a direct flight.

ASSISTANT: Please let me know if you have any other requirements to book your flight ticket.

USER: I want to depart at evening.

ASSISTANT: On which name would you like to book the flight ticket?

USER: My name is Thomas Thompson.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for picking us.