You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Melissa Wilson here. Please help me out in booking the ticket from PHX to LAS.

ASSISTANT: Sure, let me know your travelling dates.

USER: My trip dates will be Oct 12 to Oct 14.

ASSISTANT: Please share your specifications.

USER: My connection limit is 1 and depart time must be in the evening.

ASSISTANT: May I know your connection limit?

USER: I already mentioned above.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.