You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi,.

USER: I am Steven Evans.

ASSISTANT: How can I amend you today?

USER: I am planning to visit White Rock Lake in Dallas, so please help me in booking a flight ticket.

ASSISTANT: Sure, we are mirthful to aid you. Help me with your dates of travel.

USER: I want to fly on 08/23 and return on 08/25.

ASSISTANT: Do you want any connecting flight?

USER: Yes, I need a single connection.

ASSISTANT: To proceed with further booking I need your airport locations.

USER: My source is Phoenix, AZ - PHX and destination code is TX - DFW.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. Your flight number 1025 of UA airline with a connecting flight. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Reservation of your ticket has been done.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us.