You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Dallas for my client meeting, can you please help me to book my flight ticket from OAK to DFW?

ASSISTANT: Sure, can you please provide me the itinerary travel dates?

USER: Thank you. I would like to depart on May 13th and return back on May 15th.

ASSISTANT: May I know about your connection limit?

USER: I prefer for a connecting flight.

ASSISTANT: Is there any time concern?

USER: I am fine at any time.

ASSISTANT: Are there any more preferences that you want to avail?

USER: No.

ASSISTANT: May I ask you for your name?

USER: My name is Brian Roberts.

ASSISTANT: Brian Roberts. please spare me a moment?

USER: Sure.

ASSISTANT: Spirit Airlines with flight 1010 is providing service on your route with connecting flight and the cost is 100.

USER: That's perfect! You can book the ticket for me.

ASSISTANT: Your ticket is booked where depart OAK 1:00 hours May 13 and arrival DFW 6:00 hours May 15.

USER: Thank you so much.

ASSISTANT: Thank you very much for reaching us.