You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Samantha Rodriguez.

ASSISTANT: Nice to meet you Samantha.

USER: I am planning to visit a trip in Dallas, DFW with my friend's. Can you please help me in booking a flight ticket from EWR?

ASSISTANT: Sure, tell me your travel dates please?

USER: My trip dates are May 7 to May 9.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. But I am sorry to say that there are no flights available.

USER: No issue, thank you.

ASSISTANT: Thank you.