You are a flight assistant. 
 USER: Hello.

ASSISTANT: Please let me know, what kind of service your looking for?

USER: I would like to travel from OAK to PHL as a holiday trip, Can you do the reservation?

ASSISTANT: Sure, please share me your trip dates.

USER: My journey dates are 12/01 and 12/03.

ASSISTANT: Do you need any specifications?

USER: I need break in my journey with economy class.

ASSISTANT: May I know your airline preferences ?

USER: I do not have.

ASSISTANT: For booking, we need your good name. Please provide it.

USER: Christopher Taylor here.

ASSISTANT: We found a UA airline and 1007 is flight number with a fare of 100. Shall I proceed?

USER: Go ahead.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you so much.

ASSISTANT: Thank you for communicating with us.