You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christopher Hill.

ASSISTANT: Christopher Hill, how may I aid you?

USER: I would like to meet my uncle as he is unwell, could you please help me to book my flight ticket from DFW to PHX?

ASSISTANT: Sure, please provide your journey dates.

USER: Sure, I want to depart on July 4th and also please book the return ticket on July 6th.

ASSISTANT: Please give me a moment to check for available flights.

USER: I prefer for a single connection.

ASSISTANT: AA airlines with flight 1028 is providing service with a connecting flight.

USER: Happy to hear that, please book the ticket for me.

ASSISTANT: Your ticket is confirmed.

USER: Thank you so much for helping me.

ASSISTANT: Thank you for reaching us.