You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a ticket from PHX to HOU to attend seminar, can you help me in booking?

ASSISTANT: Sure, may I know your name please?

USER: My name is Edward Phillips.

ASSISTANT: Ok, may I know your travelling dates please?

USER: I am departing on Oct 24 and return on 26 Oct.

ASSISTANT: Ok, may I know your connection limit please?

USER: I need a flight with connection limit 1.

ASSISTANT: Is there any specific class preference for you?

USER: I do not have any class preference.

ASSISTANT: Do you have any other specifications please?

USER: I want to depart in morning time and return on morning time.

ASSISTANT: Sorry Phillips, there is no flight found as per your travelling details.

USER: That's ok, thank you for your information.

ASSISTANT: You are welcome.