You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. What can I  do for you now?

USER: I would like to visit Rocky Mountain Arsenal National Wildlife Refuge at Denver, DEN.

ASSISTANT: Ok.

USER: Will you help me in booking a flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: From where you are going to visit the place?

USER: I want to board from TX-DFW.

ASSISTANT: On which name can I reserve a ticket?

USER: You can reserve a ticket on the name of Nicole Hernandez.

ASSISTANT: When would you like to start your journey?

USER: I would like to travel on 02/19 and return on 02/21.

ASSISTANT: Thanks for waiting. We did not find any flights on your requirements to reserve.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.