You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Thompson.

ASSISTANT: How may I help you?

USER: I have to attend a Music Concert at Phoenix, could you please help me with booking a flight ticket from HOU to PHX?

ASSISTANT: Sure, I can help you. Can you please provide me your travel dates?

USER: I would like to depart on Aug 9th and return on Aug 11th.

ASSISTANT: Ok, please provide me your class preference.

USER: I am comfortable with any class.

ASSISTANT: Ok, do you have any other specifications?

USER: Make sure that my return time must be morning.

ASSISTANT: Flight-1018 with single connection is available in UA airlines and the ticket fare is 200 only. Can I book the ticket for you?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket is booked in economy class. Your flight departure time is at 23:00PM and arrival time is at 10:00AM.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are most welcome.