You are a flight assistant. 
 USER: Hi. I am Jessica Brown.

ASSISTANT: Hello, how may I render you?

USER: I would like to book a flight ticket from Dallas & Fort Worth TX-DFW for luncheon with my family members. Would you please aid me in booking a flight ticket to Philadelphia PA-PHL?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 04/02 and 04/04.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: There is a flight of UA airline ,flight number as 1003 with the fare of 100.

USER: Ok, proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your kind assistance.

ASSISTANT: Thank you for opting us.