You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: My name is Samantha Rodriguez.

ASSISTANT: Ok.

USER: On my birthday, I am planning to give a treat to my friends at San Francisco, SFO.

ASSISTANT: Ok.

USER: For this I need your help to book a ticket from DFW.

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: Do you need a lay by in between your journey?

USER: I need a connecting flight for my journey.

ASSISTANT: Help me with your travelling dates please.

USER: My depart is on 05/02. 05/04 is the arrival date.

ASSISTANT: How much you can afford for this journey?

USER: 5000 is my price limit.

ASSISTANT: Please, wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting.

USER: It's Ok.

ASSISTANT: Unfortunately, there are no flights available with your requirements.

USER: Fine, thank you for your quick response.

ASSISTANT: Thank you for contacting us.