You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donna Mitchell here.

ASSISTANT: How may I assist you now?

USER: Can you please help me in booking the ticket from PHL to DFW? As I'm planning to visit Dallas.

ASSISTANT: Donna Mitchell, may I know your travelling dates for this journey please?

USER: Sure, my planned departure and return travel dates are 09/14 and 09/16.

ASSISTANT: Ok, please wait for a while till I check with availability.

USER: Sure, take your own time.

ASSISTANT: Flight-1013 is available for your journey with single halt and the price is 100, can I book it for you?

USER: That's fine for me, you can proceed for booking.

ASSISTANT: Your ticket is reserved with UA airlines.

USER: Thank you so much for your help.

ASSISTANT: Have a safe journey.