You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you?

USER: I am Jack Phillips.

ASSISTANT: Nice to meet you Jack.

USER: I am looking for a flight from PHX to SEA, can you help me out?

ASSISTANT: Sure, can you tell me your travel dates please?

USER: My trip dates are from 02/18 till 02/20.

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

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Thank you.