You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Barbara Jones. I am planning to attend music concert at ORD, can you please help me with booking a flight ticket from PHL?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please let me know your dates of travelling.

USER: Sure, I would like to take off on Apr 9 and return on Apr 11.

ASSISTANT: Do you prefer either economy or business class?

USER: I am comfortable with any class.

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: I am ok with any timings.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Thank you for your details, we have a flight from JetBlue airline, number 1002 and the price is 100. Shall I proceed with it?

USER: Yes, please proceed with the booking.

ASSISTANT: Your economy class seat is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.

USER: You are welcome.