You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Melissa Adams here.

ASSISTANT: Adams, how may I help you?

USER: Can you please help me in booking the ticket? As I'm planning a round trip in PHX.

ASSISTANT: Please provide your itinerary dates.

USER: Sure, my planned travel dates are 01/21 an 01/23.

ASSISTANT: Please hold on for a while.

USER: Sure, I'll wait for your response.

ASSISTANT: Frontier airlines with flight 1010 is providing service with a connecting flight.

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

ASSISTANT: Your ticket is reserved.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.