You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Walker.

ASSISTANT: How may I guide you?

USER: Can you book a flight ticket from DFW?

ASSISTANT: Ok, can you please share your trip dates?

USER: I am planning to travel to meet my friend on 07/23 and after that back on 07/25.

ASSISTANT: Ok, what is your destination airport code?

USER: I would like to reach SEA location from my home town.

ASSISTANT: Ok, I found a flight with connection 1 and the price is 100. Can I book your ticket?

USER: I am happy that there is a flight, please book it.

ASSISTANT: Ok, your ticket is confirmed with the Delta airlines and the flight number is 1013.

USER: I appreciate your service in hand helping, thank you for that.

ASSISTANT: You are welcome. Thank you for reaching us.