You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am looking for a connecting flight, could you please help me with finding a flight ticket with my requirement?

ASSISTANT: Sure, I will help you with that. Can I have your  travel  dates please?

USER: I would like to depart on Dec 23rd and return on Dec 25th.

ASSISTANT: Ok, please let me know your  preferable airport codes of your travelling locations.

USER: My source airport code is LAX and destination airport code is MSP.

ASSISTANT: Do you prefer any specific timings for  your journey?

USER: No.

ASSISTANT: Do you  have any other specifications?

USER: I have no other specifications.

ASSISTANT: Can I have your good name please?

USER: I am Charles Evans.

ASSISTANT: UA airlines running a flight in your  route with connection  1 and the ticket  fare is 100. Shall I proceed with booking?

USER: Please confirm the booking.

ASSISTANT: Ok, your  ticket booking has done and the flight number is 1004.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for choosing us, have a great  journey.