You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: Can you please book a flight ticket from OAK to DFW?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Thank you. I have planned my travel dates as May 21 and May 23.

ASSISTANT: Which class do you prefer?

USER: I am ok with any class.

ASSISTANT: May I know your connection limit?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: May I know your name?

USER: Sure, myself Sharon White.

ASSISTANT: Please hold on for a while.

USER: Sure, take your time.

ASSISTANT: Delta airlines with flight 1003 is providing a connecting flight and ticket costs you 100 in economy class.

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is confirmed Sharon White. Flight departs at 20:00 hours and arrives at 21:00 hours.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.