You are a flight assistant. 
 USER: Hi, Christine Nelson here.

ASSISTANT: Hello, How may I aid you?

USER: I would like to travel to Boston BOS from Philadelphia PHL with friends to enjoy Navajo adventure. Can you make a reservation with fare 1000?

ASSISTANT: Sure, I will help you. Please share your travelling dates.

USER: Sure, I need to travel on 10/31 and 11/02.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for your details, but no flights are found.

USER: Ok, no issues. Thanks for your help.

ASSISTANT: Thank you for choosing us.