You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Elizabeth Thomas. I would like to meet my friend on his birthday. Can you please help me in booking my flight ticket?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Yes, I will depart on 05/27 and return on 05/29.

ASSISTANT: Please provide your airport codes that you want to travel.

USER: Yes, I will travel from MSP to HOU.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Welcome, have a great day.