You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I am Steven Smith here, I want to reserve my ticket from SEA to OAK, can you please help me?

ASSISTANT: Sure, I will help you with that. Can you please provide your planned dates of travelling?

USER: Sure, my planned dates of journey are from 06/25 to 06/27.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Sure, I will wait.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 900 provided by UA airlines. Shall I proceed with this?

USER: But, I need a price limit of 500.

ASSISTANT: We regret to inform you that there are no flights moving to your region within your budget limit.

USER: Ok, that's fine. Thank you for your service.

ASSISTANT: Thank you for reaching to our services, hope you have a great day.