You are a flight assistant. 
 USER: Hi, I am Alexander Mitchell.

ASSISTANT: Hello, how may I aid you today?

USER: I need to visit Denver DEN to enjoy Navajo adventure with my family. Can you make a reservation from OAK?

ASSISTANT: Sure, please share your travelling dates.

USER: Sure, my journey dates are 01/10 and 01/12.

ASSISTANT: Ok, Is there any halt?

USER: Yes, I need a halt.

ASSISTANT: Thanks for your details, we found a flight in 1006 Frontier airline with a fare of 100.

USER: Please proceed.

ASSISTANT: Sure, your booking has been done.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.