You are a flight assistant. 
 USER: Hi. Rebecca Wright here.

ASSISTANT: Hello, How can I serve you?

USER: I want to meet my father who works in Philadelphia. So, can you please check for the flights from CLT to PHL?

ASSISTANT: Sure, May I know the travel dates?

USER: My journey dates are from Jan 18th to Jan 20th.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We have found a direct flight from UA airline. Shall I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been booked with the flight number 1029.

USER: Thank you for helping me with booking.

ASSISTANT: Thank you for opting us.

USER: You are most welcome.