You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Michael Lopez.

ASSISTANT: Michael Lopez, how can I help you?

USER: I want to travel from LAS to LAX, can you please guide me in doing that?

ASSISTANT: Sure, Can you please provide me with  the travel dates.

USER: I will depart on May 15th and will return on May 17th.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Would you prefer any time concern?

USER: I am looking for a flight which departs in the morning.

ASSISTANT: Do you have any connection limits?

USER: I am fine with one connecting flight.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform that there are no flights with your requirements.

USER: No worries, thank you.

ASSISTANT: Thank you for approaching us.