You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Martin.

ASSISTANT: How can I serve you?

USER: I would like to book a flight ticket from EWR to SFO.

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: Sure, my travelling dates are 06/29 and 07/01.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Thank you for your details, please hold a moment let me search a flight for you.

USER: Sure.

ASSISTANT: We found a Southwest airline, flight number:1015 and the price is 300.

USER: You can proceed with booking.

ASSISTANT: Your flight thicket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.