You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you for the day?

USER: Can you please assist me to change the travel dates in my previous reservation?

ASSISTANT:  Sure, I am here to help you. Can you please let me know your name to check with the reservation status in our database?

USER: Thanks a lot for your quick response. My name is Alexander Smith.

ASSISTANT: Please wait for a while. We found reservation under your name. Can you please let me know your region airport codes?

USER: That's great, my nearest airport codes are DTW and AUS.

ASSISTANT:  Please let me know your preferred dates of journey.

USER: The preferred dates of my journey are Nov 23 and Nov 25.

ASSISTANT:  Would you like to fly with connecting flight?

USER: I prefer to travel in a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No, I didn't have any more specifications.

ASSISTANT: Flight-1024 is available in Southwest Airlines with connecting and the ticket fare is 200. Shall I proceed with booking?

USER: Yes, please proceed to book the ticket.

ASSISTANT: Alexander Smith, your booking has been done in economy class.

USER: Thanks a lot for your help.

ASSISTANT: Thank you for reaching us, have a safe journey.